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The biggest danger facing airlines nowadays may not be a terrorist with a gun, but the man with portable computer in business class. In the last 16 years, pilots have reported well over 100 incidents that could have been caused by electromagnetic interference (电磁干扰). The source of this interference remains not proved, but increasingly, experts are pointing the blame at portable electronic devices such as portable computers, radio and cassette players and mobile telephones.
RTC.A. an organization which advises the aviation (航空 )industry, has suggested that all airlines ban such devices from being used during "critical" stages of flight particularly take- off and landing. Some experts have gone further, calling for a total ban during all flights .Cur- rently , rules on using these devices are left up to individual airlines. And although some air- lines prevent passengers from using such equipment during take-off and landing, most are un- willing to carry out a total ban, given that many passengers want to work during flight.
The difficulty is predicting how electromagnetic fields might affect an aircraft's computers. Experts know that portable devices send out radiation which affects those wavelengths which aircraft use for navigation and communication. But, because they have not been able to reproduce these effects in a laboratory. they have no way of knowing whether the interference might be. dangerous or not.
The fact that aircraft may be fragile to interference raises the risk that terrorists may use radio systems in order to damage navigation equipment. As wo
rrying, though, is the passenger who can 't hear the instructions to turn off his radio because the music's too loud.
1.What is said about the over 100 aircraft incidents in the past 16 years?
A. They may have been caused by the damage to-the radio systems.
B. They may have taken place during take-off and landing.
C. They were proved to have been caused by the passengers portable computers.
D. They were suspected to have resulted from electromagnetic interference.
2.Why is it difficult to predict the possible effects of electromagnetic fields on an airplane 's computers?
A. Because it is extremely dangerous to conduct such research on an airplane.
B. Because it remains a mystery what wavelengths are liable to be interfered with.
C. Because research scientists have not been able to produce the same effects in labs.
D. Because experts lack adequate equipment to do such research.
3.Few airlines want to perform a total ban on their passengers using electronic devices because_______
A. they don't believe there is such a danger as radio interference
B. the harmful effect of electromagnetic interference is yet to be proved
C. most passengers refused to take a plane ,which bans the use of radio and cassette players
D. they have other effective safety measures to fall back on
4.The passage is mainly about_________.
A. a new rule for all airlines
B. the disadvantages of electronic devices
C. a possible cause of aircraft incidents
D. effective safety measures for air flight
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The biggest safety threat facing airlines today may not be a terrorist with a gun, but the man with the portable computer in business class. In the last 15 years, pilots have reported well over 100 incidents that could have been caused by electromagnetic interference. The source of this interference remains unconfirmed, but increasingly, experts are pointing the blame at portable electronic device such as portable computers, radio and cassette players and mobile telephones.
RTCA, an organization which advises the aviation (航空) industry, has recommended that all airlines ban such devices from being used during “critical” stages of flight, particularly take-off and landing. Some experts have gone further, calling for a total ban during all flights. Currently, rules on using these devices are left up to individual airlines. And although some airlines prohibit passengers from using such equipment during take-off and landing, most are reluctant to enforce a total ban, given that many passengers want to work during flights.
The difficulty is predicting how electromagnetic fields might affect an aircraft’s computers. Experts know that portable device emit radiation which affects those wavelengths which aircraft use for navigation and communication. But, because they have not been able to reproduce these effects in a laboratory, they have no way of knowing whether the interference might be dangerous or not.
The fact that aircraft may be vulnerable to interference raises the risk that terrorists may use radio systems in order to damage navigation equipment. As worrying, though, is the passenger who can’t hear the instructions to turn off his radio because the music’s too loud.
1.The passage is mainly about _____.
A.a new regulation for an airlines
B.the drawbacks of electronic devices
C.a possible cause of aircraft incidents
D.effective safety measures for air flight
2.What is said about the over 100 aircraft incidents in the past 15 years?
A.They may have been caused by the damage to the radio systems.
B.They may have taken place during take-off and landing.
C.They were proved to have been caused by the passengers’ portable computers.
D.They were suspected to have resulted from electromagnetic interference.
3.Few airlines want to impose a total ban on their passengers using electronic devices because ______.
A.they don’t believe there is such a danger as radio interference
B.the harmful effect of electromagnetic interference is yet to be proved
C.most passengers refuse to take a plane which bans the use of radio and cassette players
D.they have other effective safety measures to fall back on
4.It can be inferred from the passage that the author _____.
A.hasn’t expressed his own opinion on this problem
B.has overestimated the danger of electromagnetic interference
C.is in favor of prohibiting passengers’ use of electronic devices completely
D.regards it as unreasonable to exercise a total ban during flight
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The biggest safety threat facing airlines today may not be a terrorist with a gun, but the man with portable computer in business class. In the last 15 years, pilots have reported well over 100 incidents that could have been caused by electromagnetic interference. The source of this interference remains unconfirmed, but increasingly, experts are pointing the blame at portable electronic devices such as portable computers, radio and cassette players and mobile telephones.
RTCA, an organization which advises the aviation (航空) industry, has recommended that all airlines ban such devices from being used during “critical” stages of flight, particularly take-off and landing. Some experts have gone further, calling for a total ban during all flights. Currently, rules on using these devices are left up to individual airlines. And although some airlines prohibit passengers from using such equipment during take-off and landing, most are reluctant(不情愿的) to enforce (实施) a total ban, given that many passengers want to work during flight.
The difficulty is predicting how electromagnetic fields might affect an aircraft’s computers. Experts know that portable devices emit(发出) radiation which affects those wavelengths which aircraft use for navigation and communication. But, because they have not been able to reproduce these effects in a laboratory, they have no way of knowing whether the interference might be dangerous or not.
The fact that aircraft may be vulnerable (易受损的) to interference raises the risk that terrorists may use radio systems in order to damage navigation equipment. As worrying, though, is the passenger who can’t hear the instructions to turn off his radio because the music’s too loud.
1.The passage is mainly about ________.
A．a new regulation for all airlines B．the defects of electronic devices
C．a possible cause of aircraft crashes D．effective safety measures for air flight
2.What is said about the over 100 aircraft incidents in the past 15 years?
A．They may have been caused by the damage to the radio systems.
B．They may have taken place during take-off and landing.
C．They were proved to have been caused by the passengers portable computers.
D．They were suspected to have resulted from electromagnetic interference.
3.Few airlines want to impose a total ban on their passengers using electronic devices because ________.
A．they don’t believe there is such a danger as radio interference
B．the harmful effect of electromagnetic interference is yet to be proved
C．most passengers refuse to take a plane which bans the use of radio and cassette players
D．they have other effective safety measures to fall back on
4.Why is it difficult to predict the possible effects of electromagnetic fields on an airplane s computers?
A．Because it is extremely dangerous to conduct such research on an airplane.
B．Because it remains a mystery what wavelengths are liable to be interfered with.
C．Because research scientists have not been able to produce the same effects in labs.
D．Because experts lack adequate equipment to do such research.
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Things Your Pilot Won't Tell You
You may not be getting the airline you paid for．
You may go to an airline website and buy a ticket, and get onto an airplane that has a similar name painted on it, but half the time, you're really on a regional （地方的） airline．The regionals aren't held to the same safety standards as the majors: their pilots aren't required to have as much training and experience, and the public doesn't know that．
—Captain at a major airline
If you're a nervous flier, book a morning flight．
The heating of the ground later causes bumpier （颠簸的） air, and it's much more likely to thunderstorm in the afternoon．
—Jerry Johnson , pilot, Los Angeles
The smoothest place to sit is often over or near the wing．
The bumpiest place to sit is in the back．If you're in the middle, you don't move as much．
—Patrick Smith, pilot, and author of Cockpit Confidential
Sit in the front if you want fresher air．
The general flow of air in any airplane is from front to back．So if you're really concerned about breathing the freshest possible air or not getting too hot, sit as close to the front as you can．Planes are generally warmest in the back．
—Tech pilot at a regional airline, Texas
You never know where the safest seat is．
There is no safest place to sit．In one accident, the people in the back are dead; in the next, it's the people up front．
—John Nance, aviation safety analyst and retired airline captain, Seattle
I've been struck by lightning twice．
Most pilots have．Airplanes are built to take it．You hear a big boom and see a big flash and that's it．You're not going to fall out of the sky．
—Charlotte, pilot for a regional earner,．North Carolina
People don't understand why they can't use their cell phones．
Well, what can happen is 12 people will decide to call someone just before landing, and I can get a false reading on my instruments saying that we are higher than we ideally are．
—Jim Tilmon, retired American Airlines pilot, Phoenix
1.Jerry Johnson advises nervous fliers to ______．
A．sit in the back
B．fly in the morning
C．fly with major airlines
D．avoid flying in bad weather
2.The best seats for those who need fresh air are ______．
A．in the front B．in the middle
C．in the back D．near the wing
3.Passengers' use of cellphones before landing is likely to ______．
A．increase the risk of being struck by lightning
B．make it difficult for pilots to control the plane
C．cause the instruments of the plane to break down
D．affect pilots' judgment about the height of the plane
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It’s not piano lessons or dance classes.Nowadays,the biggest extra-curricular activity in the west is going to a tutor.Pat,a mother in Canada,spends about 800 Canadian dollars a month on tutors when finding out half her daughter’s class have tutors.She feels like her child is going to fall behind because everyone else seems to be ahead.
Shelley,a mother of three,also has tutors constantly coming in and out of her home.She was always yelling when she couldn’t manage to get her children focused.When she gets a tutor once a week,they become focused for one entire hour and can get most of their homework done.
Tutoring isn’t simply a private school phenomenon.Nor is it intended only for lower-achieving students.In Canada alone,seven percent of high school students reported using a tutor in 2010.That increased to 15 percent in 2015.
Overall,parents hire tutors because they are worried school are not meeting their expectations,but there is also a culture shift.A special value is placed on education in Asia,where tutoring is viewed as an extension to the school day. As a large number of Asians emigrated to the west over the recent years,their attitudes towards education have had an influence.
Another reason for the growth in business is parental frustration and their packed schedules.A lot of parents just don’t have time to help their children with homework and some others couldn’t help their children after Grade 3,according to a president of an American tutoring company.
There has been a noticeable change in the attitudes,too.Children used to get bullied（被欺负）for having a tutor, now it’s becoming the norm to have one.
Children don’t seem to mind that they have a tutor.One parent feels surprised that so many of her child’s classmates have tutors.For the amount parents pay in tuition,children should have as much extra help children with a tutor because_______.
1.Shelley decided to equip her children with a tutor because_______.
A. her children’s school is not meeting her expectation B. over half of her children’s classmates have tutors
C. her children’s homework is too difficult for her D. she had a hard time getting her children focused
2.In Canada,the population of high school students using a tutor grew by _______from 2010 to 2015.
A. 7%. B. 8%. C. 10%. D. 15%.
3.According to the passage,which of the following statement is TRUE?
A. Pat got a tutor because she can’t help her children with homework.
B. Shelley spends about 800 Canadian dollars on tutors every month.
C. Asians usually place more emphasis on education that Canadians.
D. Most students with the help of tutors have poor grades at school.
4.The tutoring business in the west has been seen in growth in recent years because_______.
a.a lot of parents are too occupied to help their children with homework.
b.children no longer get bullied for going to a tutor and getting extra help
c.many schools cannot offer as much help as their students need
d.Asians emigrating to the west have affected people’s attitude to tutoring.
A. a,b,c. B. a,b,d. C. a,c,d. D. b,c,d.
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______ with danger，the 16-year-old girl was wonderfully calm.
| A．Facing | B．Faced | C．Being faced | D．To face |
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A man in Germany may not have been in danger when he called the police on a baby squirrel chasing him, but it all worked out for the best for the furry suspect.
Emergency services in the city of Karistruhe got a call on Thursday from a man afraid that the tiny animal wouldn't stop following him around, The Guardian reported. Police arrived at the scene, where the squirrel finally stopped running after him by lying down and going to sleep.
It turned out that the squirrel actually needed help, the police said, “It often happens that squirrels which have lost their mothers look for a replacement and then focus their efforts on one person,” the police spokesman Christian Krenz told The Guardian.
The squirrel, now named Karl-Friedrich, is in the care of an animal rescue center. Karlstruhe police posted a statement on Facebook about the animal, including several lovely photos. The department wished Karl-Friedrich the best.
The baby squirrel chase is the second police-involved squirrel incident to make international headlines this summer. Last month, a London woman called the police after she heard loud noises in her home and suspected a thief. The unwanted visitor turned out to be a “rogue squirrel”, according to the police who came for help.
Although authorities in the German case said the squirrel did need assistance, wildlife experts generally warn that before dealing with the case where you suspect a squirrel is orphaned, you should do your best to make sure the creature truly requires help. The Wildlife Center of Virginia, which gets hundreds of calls annually about supposedly orphaned squirrels, published this handy guide to help determine whether such an animal really needs help and what to do if so. When in doubt, contact a local wildlife rescuer, a rehab center on animal control.
1.Why did the man in Germany call the police?
A.A baby squirrel was asleep there. B.A baby squirrel tried to bite him.
C.A baby squirrel was lying down there. D.A baby squirrel kept running after him.
2.What does Karl-Friedrich in the passage turn out to be?
A.A woman from London. B.A lovely little squirrel.
C.An unwanted visitor. D.A local policewoman.
3.What do we know about the people making calls when they see squirrels?
A.They are very active in animal protection.
B.They are very eager to help disabled squirrels.
C.They think squirrels are endangered animals.
D.They think squirrels are in a hungry state.
4.What can we infer from wildlife experts' words in the last paragraph?
A.People should try to give first aid to injured or sick squirrels.
B.People should figure out whether squirrels actually need assistance.
C.People should help squirrels who are left alone as soon as possible.
D.People should contact a local wildlife rescuer when seeing orphaned squirrels,
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Choosing where to live may be one of the biggest decisions you’ll make when you move to Sydney, but you’ll have plenty of help.
Temporary arrival accommodation
Before you move to Sydney, we recommend that you book a temporary place to stay. Once you get here, you can look for longer-term accommodation.
--sydney.edu.au/accommodation/short-term
On-campus-residential colleges (fully catered饮食全包的)
The University has eight residential colleges on the Camperdown/Darlington Campus, including International House, a residential community of global scholars. Colleges provide comfortable, fully furnished single rooms and daily meals, along with sporting, cultural, leadership and social programs. They also include on-site tutorials(辅导课) in addition to campus-based classes.
--sydney.edu.au/colleges
On-campus residences (self-catered饮食自理的)
The University has two self-run residences—Queen Mary Building (QMB) and Abercrombie Student Accommodation—on the Camperdown/Darlington Campus. Both just under a year old, they house up to 1000 students. These residences provide modern single-study rooms with large common living, learning and study spaces, shared kitchens, a theatre, gyms, soundproofed music rooms, art studios, sky lounges and rooftop gardens.
--sydney.edu.au/campus-life/accommodation/live-on-campus.html
Off-campus living
More than 90 percent of our students live off campus. The University is close to many dynamic and multicultural suburbs such as Annandale, Newtown, Chippendale and Glebe. A great place to search is our large online database of properties.
--sydney.edu.au/campus-life/accommodation/live-off-campus.html
1.Where can you find a place to live temporarily?
A. On “sydney.edu.au/colleges”.
B. On “sydney.edu.au/accommodation/short-term”.
C. On “sydney.edu.au/campus-life/accommodation/live-on-campus.html”.
D. On “sydney.edu.au/campus-life/accommodation/live-off-campus.html”.
2.What do students living in QMB have access to?
A. Their own kitchens.
B. On-site tutorials.
C. Daily meals.
D. Gyms.
3.What is the most popular choice among students?
A. Living off campus.
B. Living in host families.
C. Living in self-catered flats on campus.
D. Living in fully catered houses on campus.
-
Choosing where to live may be one of the biggest decisions you’ll make when you move to Sydney, but you’ll have plenty of help.
Temporary arrival accommodation
Before you move to Sydney, we recommend that you book a temporary place to stay. Once you get here, you can look for longer-term accommodation.
--sydney.edu.au/accommodation/short-term
On-campus-residential colleges (fully catered饮食全包的)
The University has eight residential colleges on the Camperdown/Darlington Campus, including International House, a residential community of global scholars. Colleges provide comfortable, fully furnished single rooms and daily meals, along with sporting, cultural, leadership and social programs. They also include on-site tutorials(辅导课) in addition to campus-based classes.
--sydney.edu.au/colleges
On-campus residences (self-catered饮食自理的)
The University has two self-run residences—Queen Mary Building (QMB) and Abercrombie Student Accommodation—on the Camperdown/Darlington Campus. Both just under a year old, they house up to 1000 students. These residences provide modern single-study rooms with large common living, learning and study spaces, shared kitchens, a theatre, gyms, soundproofed music rooms, art studios, sky lounges and rooftop gardens.
--sydney.edu.au/campus-life/accommodation/live-on-campus.html
Off-campus living
More than 90 percent of our students live off campus. The University is close to many dynamic and multicultural suburbs such as Annandale, Newtown, Chippendale and Glebe. A great place to search is our large online database of properties.
--sydney.edu.au/campus-life/accommodation/live-off-campus.html
1.Where can you find a place to live temporarily?
A. On “sydney.edu.au/colleges”.
B. On “sydney.edu.au/accommodation/short-term”.
C. On “sydney.edu.au/campus-life/accommodation/live-on-campus.html”.
D. On “sydney.edu.au/campus-life/accommodation/live-off-campus.html”.
2.What do students living in QMB have access to?
A. Their own kitchens.
B. On-site tutorials.
C. Daily meals.
D. Gyms.
3.What is the most popular choice among students?
A. Living off campus.
B. Living in host families.
C. Living in self-catered flats on campus.
D. Living in fully catered houses on campus.
-
Choosing where to live may be one of the biggest decisions you’ll make when you move to Sydney,but you’ll have plenty of help.
Temporary arrival accommodation
Before you move to Sydney,we recommend that you book a temporary place to stay.Once you get here,you can look for longer-term accommodation.
--sydney.edu.au/accommodation/short-term
On-campus-residential colleges(fully catered)
The University has eight residential colleges on the Camperdown/Darlington Campus,comfortable,fully furnished single rooms and daily meals,along with sporting,cultural,leadership and social programs.They also include on-site tutorials（辅导课）in addition to campus-based classes.
--sydney.edu.au/colleges
On-campus residences(self-catered)
The University has two self-run residence—Queen Mary Building(QMB)and Abercrombie Student Accommodation—on the Camperdown/Darlighton Campus.Both just under a year old,they house up to 1000 students.These residences provide modern single-study rooms with large common living,learning and study spaces,shared kitchens,a theatre,gyms,soundproofed music rooms,art studios,sky lounges and rooftop gardens.
--sydney.edu.au/campus-life/accommodation/live-on-campus.html
Off-campus living
More than 90 percent of our students don’t live on campus.The University is close to many dynamic and multicultural suburbs such as Annandale,Newtown,Chippendale and Glebe.A great place to search is our large online database of properties.
--sydney.edu.au/campus-life/accommodation/live-of-campus.html
1.Where can you find a place to live temporarily?
A. On“sydney.edu.au/colleges”.
B. On“sydney.edu.au/accommodation/short-term”.
C. On“sydney.edu.au/campus-life/accommodation/live-on-campus.html”.
D. On“sydney.edu.au/campus-life/accommodation/live-off-campus.html”.
2.What do students living in QMB have access to?
A. Their own kitchens. B. On-site tutorials.
C. Daily meals. D. Gyms.
3.What is the most popular choice among students?
A. Living off campus.
B. Living in host families.
C. Living in self-catered flats on campus.
D. Living in full catered houses on campus.
rrying, though, is the passenger who can 't hear the instructions to turn off his radio because the music's too loud.