The earthquake _____ the tsunami (海啸) happene...

The earthquake _____ the tsunami (海啸) happened deep under the sea, _____　 more than 200,000 people.

A.causing; killing B.caused; killing C.causing; killed D.caused; killed

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The deadly earthquake and tsunami (海啸) that struck Japan on March 11 damaged two nuclear power stations. Officials are now working to prevent dangerous radiation from poisoning the air in the area surrounding the Fukushima Daiichi plant. The Japanese government has ordered people living within 12 and a half miles of the plant to evacuate, and asked those living 12 and a half to 20 miles away to stay indoors.

Nuclear power plants create energy using a chemical reaction that produces large amounts of heat. Reactors(反应堆)in Japan have many long, thin rods, called fuel rods(棒), which must be kept cool.

If the reactor’s fuel rods aren’t cooled, the reaction can burn out of control. That’s what happened at the two Japanese plants after the quake caused a power failure and the cooling systems malfunctioned(发生故障). This overheating could cause radiation to escape and sicken many people.

Japan’s 54 nuclear reactors are built to withstand the many small or moderate earthquakes the country faces each year. But Friday’s earthquake was one of the most severe earthquakes ever recorded.

People exposed to unsafe levels of radiation have a higher than normal risk of getting cancer. The Japanese government has been distributing potassium iodide(碘化钾)pills to people in the surrounding areas to protect those who may have come in contact with radiation from the power plant. The pills flood the body with healthy potassium iodide. The potassium iodide works to crowd out “bad” iodine in the body that may have been poisoned by radiation.

On Tuesday morning, 750 workers left the Fukushima Daiichi plant. However, 50 workers stayed behind to use sweater to cool the fuel rods. These dedicated employees are risking their own lives to save many others.

On Thursday, officials used helicopters, fire trucks, and water cannons to spray water on the reactors to cool the fuel rods. But it’s not clear whether these efforts were successful. Officials are now working on a power line to restore electricity to the plant. They hope this will help restart the plant’s cooling system and stop the fuel rods from leaking radiation.

1.The underlined word “evacuate” in Paragraph 1 probably means ________.

2.What can we learn from the text?

3.In the last paragraph, the author mainly states ________.

4.This text is most probably taken from ________.

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The earthquake that shook Japan with historic strength on March 11th, 2011 created a tsunami wave ten meters high. The water washed away boats, cars and houses in coastal areas north of Tokyo. It also led to tsunami warnings across the Pacific.

Scientists recorded the magnitude(震级) of the earthquake at 8.9.The United States Geological Survey says it was the fifth largest earthquake since nineteen hundred. The largest, with a 9.5 magnitude, shook Chile in nineteen sixty.

The quake struck near the east coast of Honshu, Japan's main island. It was centered under the sea about one hundred thirty kilometers east of Sendai.The tsunami washed away whole neighborhoods in Sendai.

So far (April 4th), the tsunami has taken 12, 0009 people's life away.

Now Japanese are all trying to rebuild their hometown, but there are too many difficulties.

The first, Japan is the world's third largest importer(进口商)of oil. The shortage of oil makes it almost impossible to carry the food, medicine and water to the quake area by cars.

The second, the Fukushima nuclear(核) power station was damaged by the March eleventh earthquake and tsunami. The extent of the problems is still not clear. Japan’s nuclear crisis(危机) may mean greater need of imported food.

1.The underlined word in Paragraph 1 means______ in Chinese.

A．地震        B．核辐射            C．海浪         D．海啸

2.The largest earthquake happened in ______.

A．Tokyo      B．the United States              C．Chile      D．Japan

3.Japanese are facing ______ kinds of problems when trying to rebuild their hometown.

A．one      B．two               C．three      D．four

4.Why did the food, medicine and water can hardly carry to the earthquake area soon?

A．Because of the shortage of oil.

B．Because of the damage of the roads.

C．Because of the nuclear crisis.

D．Because of the tsunami.

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—What ______ when the earthquake happened on May 12^th ?

—Er, I was having a geography class in the classroom.

A. are you doing        B. did you do   C. were you doing  D will you do

高一英语单项填空中等难度题查看答案及解析

A terrible earthquake with tsunami happened in Japan, ________more than 10,000deaths.

A．causing           B．to cause           C．caused           D．having caused

高一英语单项填空中等难度题查看答案及解析

It’s the tsunami not the strong earthquake that has _____ great damage to Japan.

高一英语单项填空中等难度题查看答案及解析

Animals Can Sense Natural Disasters

Among the dead in South Asia’ s tsunami（海啸）were many tourists at Sri Lanka’ s national wildlife park at Yala. But very few of the park’s animals — elephants, buffaloes, monkeys and wild cats — appear to have died. There are theories that animals can sense natural disasters and run away to safety.

First, it’s possible that the animals may have heard the quake before the tsunami hit. The underwater burst produced sound waves known as infrasound（次声）. Humans can’t hear infrasound, but many animals including dogs, elephants, tigers and pigeons can.

A second early warning sign the animals might have sensed is ground vibration（震动）. The great quake would have produced vibrational waves known as Rayleigh waves. These vibrations move through the ground like waves moving on the surface of the ocean but faster. They travel at ten times the speed of sound. The Rayleigh waves would have reached Sri Lanka hours before the water hit. Mammals, birds, insects and spiders can sense Rayleigh waves. So the animals at Yala might have felt the Rayleigh waves and then run to higher ground.

But what about humans? While we can’t hear infrasound, we can feel it, although we don’t necessarily know we’re feeling it. We also experience Rayleigh waves by special sensors in our joints（关节）, which exist just for that purpose. Sadly, it seems we don’t pay attention to the information when we get it. Maybe we screen it out because there’s so much going on before our eyes and in our ears.

1.Why did few animals at Yala die when the tsunamis that caused a huge number of human deaths hit?

A．Because human beings cannot hear the infrasonic sound.

B．Because the animals were staying at a higher place in the park.

C．Because the animals were able to run much faster than human beings.

D．Because the animals might have picked up the danger signals and ran away.

2.Which of the statements about “Rayleigh waves” is true?

A．Rayleigh waves can be felt both by animals and human beings.

B．Rayleigh waves, just like infrasonic sound, can only be felt by animals.

C．Rayleigh waves are vibrational waves that usually cause quakes or tsunamis.

D．Rayleigh waves move on the ocean surface at a speed ten times that of sound waves.

3.According to the passage, which of the statement is true?

A．We can’t feel the infrasound so we can’t be informed of the danger.

B．We ignore the information of tsunami’s coming even though we can also get it.

C．We were so busy on our minds that we feel neither infrasound nor Rayleigh waves.

D．We can feel Rayleigh waves and infrasound so we can escape the danger like animals.

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On December 26, 2004, a terrible tsunami happened in the Southeast Asia, _________ many people.

A．killing            B．had killed          C．killed             D．having killed

高一英语单项填空中等难度题查看答案及解析

Earthquakes are the shaking, rolling or sudden shock of the earth’s surface. Earthquakes happen along “fault lines” in the earth’s crust. Earthquakes can be felt over large areas although they usually last less than one minute. Earthquakes cannot be predicted —— although scientists are working on it!

Most of the time, you will notice an earthquake by the gentle shaking of the ground. You may notice hanging plants swaying or objects wobbling on shelves. Sometimes you may hear a low rumbling noise or feel a sharp jolt. A survivor of the 1906 earthquake in San Francisco said the sensation was like riding a bicycle down a long flight of stairs.

The intensity（强度）of an earthquake can be measured. One measurement is called the Richter scale. Earthquakes below 4.0 on the Richter scale usually do not cause damage, and earthquakes below 2.0 usually can’t be felt. Earthquakes over 5.0 on the scale can cause damage. A magnitude 6.0 earthquake is considered strong and a magnitude 7.0 is a major earthquake. The Wenchuan Earthquake, which hit Sichuan Province in 2008, was magnitude 7.8.

Earthquakes are sometimes called temblors, quakes, shakers or seismic activity. The most important thing to remember during an earthquake is to DROP, COVER and HOLD ON. So remember to DROP to the floor and get under something for COVER and HOLD ON during the shaking.

1.Which statement about earthquakes is Not correct?

A. Earthquakes are the result of the sudden shock of the earth’s surface.

B. Earthquakes usually can be felt because they can last for a long time.

C. There are usually some signs for people to notice an earthquake.

D. People can feel an earthquake over 6.0 because it is very strong.

2.According to the passage, when the earthquake happened, a survivor of the 1906 earthquake in San Francisco_______.

A. was riding a bicycle                     B. was just climbing the stairs

C. heard a low rumbling noise               D. felt like riding a bicycle

3.What can be inferred from the passage?

A. Most of the time, people can not feel or predict the earthquakes.

B. Earthquakes are sometimes called temblors, quakes shakers or seismic activity.

C. The Wenchuan Earthquake, which hit Sichuan Province in 2008 caused serious damage.

D. When an earthquake happens, it is important to drop on the floor immediately.

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—When did the great earthquake in Wenchuan happen ?

—It happened __________14:28 __________the afternoon of May 12, 2008.

A．on, in            B．at, on             C．at, in             D．on, on

高一英语单项填空中等难度题查看答案及解析