. The report about the ______ surprised all t...

. The report about the ______ surprised all the ______.

高二英语单项填空简单题查看答案及解析

The surprising experiment I am about to describe proves that air is all around you and that it presses down upon you. Air pressure is a powerful force. When you swim underwater, you can feel water pushing on your body. The air all around you does the same. However, your body is so used to it that you do not notice this. The pressure is caused by a layer (层) of air called the atmosphere. This layer surrounds the Earth, extending to about five kilometers above the Earth’s surface.

The following experiment is an easy one that you can do at home. But make sure that you are supervised (监督), because you will need to use matches. Now for the experiment.

What you need

● hard-boiled egg without the shell

● A bottle with a neck slightly smaller than the egg

● A piece of paper

● A match

Method

1) Check that the egg will sit firmly on the neck of the bottle.

2) Tear the paper into pieces and put them into the bottle.

3) Light the paper by dropping a burning match into the bottle.

4) Quickly sit the egg on the neck of the bottle.

Result

Astonishingly, the egg will be sucked into the bottle. Your friends will be amazed when you show them the experiment. But be careful when you handle matches.

Why it happened？

As the paper burns, it needs oxygen and uses up the oxygen (air) in the bottle. The egg acts as a scale in the neck of the bottle, so no more air can get inside. This reduces the air pressure inside the bottle. The air pressure must equalize, so more air from outside must enter the bottle. The outside air presses against the egg, and then the egg is pushed into the bottle! This proves that air is all around and that it is pressing down on us.

1.Why is there the need to take care when you are doing the experiment?

A. The bottle could break.

B. You need to light the paper with a match.

C. The egg needs to be shelled (脱壳).

D. The egg has to be perfectly placed on the neck of the bottle.

2. How did the egg get into the bottle?

A. The oxygen inside the bottle sucked the egg in.

B. It became soft without the shell.

C. The neck of the bottle was wide enough.

D. The outside air pressure forced it into the bottle.

3.The experiment is carried out to prove___________..

A. water pushes on your body when you swim underwater

B. the earth is surrounded by a layer of air called the atmosphere

C. the pressure of air around us has a powerful force

D. the air pressure is not equalized around us

高二英语阅读理解中等难度题查看答案及解析

I 　　　　 a report about the air pollution in my hometown all the morning and haven’t finished it yet.

A. wrote　　 　　　　　 B. have been writing

C. was writing　　　　 D. have written

高二英语单项填空中等难度题查看答案及解析

_____ David showed the report to the public surprised me.

A．What             B．That              C．Which            D．Who

高二英语单项填空中等难度题查看答案及解析

The fact        she has not said anything at the meeting        all of us.

高二英语单项填空简单题查看答案及解析

He told me about the        news in a        voice.

高二英语单项填空简单题查看答案及解析

How does the woman feel about the concert?

A. Surprised.　　 B. Relaxed.　　 C. Worried.

高二英语短对话简单题查看答案及解析

In 2000 a report was published about what the earth might be like 20 years from then on. The report was a result of a three-year 　　　　 .

According to the report, the picture of the earth in the year 2020 is not a 　　　　 one. The world will be more　　　　 _ because the population will continue to grow. The population could be_　　　　 _ 6 900 million, almost 2 450 million more than in 1995. More people would move into cities, especially cities in _　　　　 _ countries. Cities like Cairo and Jakarta probably would_　　　　 _ have 15 million by then.

Food production will _　　　　 _, but not enough to feed all the people. Farmers will grow 90% more food than they did in 1995,　　　　 most of the increase would be in countries that _　　　　 _ produce enough food for their people. Little increase is _　　　　 _ in South Asia, Africa and the Middle East. Poor farming ways are _　　　　 _ large areas of crop land, changing farms into deserts. More farmland is　　　　 as cities become larger and more houses are built. _　　　　 _ will get worse as industrial countries burn more coal and oil. Many of the world’s _　　　　 　 could disappear as more and more trees are cut down. Energy will continue to be a serious problem. The experts say their picture of the earth for the year 2020 _　　　　 _. They only carried out the situation that　　　　 _ today. By changing the situation, by_　　　　 the problems, the picture can be changed. There is _　　　　 time for the nations of the world to work _　　　　　　 _ a plan of action. But they warned that_　　　　 _too long to make decisions would greatly reduce the chances of success.

1.A. learning　　　　 B. project　　　　　　　 C. notice　　　　　　 D. study

2.A. pleased　　　　 B. pleasant　　　　　　　 C. safe　　　　　　　 D. blue

3.A. dangerous　　　 B. beautiful　　　　　 C. crowded　　　　　　 D. terrible

4.A. no more than　　　 B. as many as　　　　　 C. as much as　　　 D. as large as

5.A. developing　　　 B. developed　　　　　 C. big　　　　　　　　　　 D. mountainous

6.A. none　　　　　　 B. each　　　　　　　　 C. all　　　　　　　　　　　　 D. neither

7.A. insist　　　　　　 B. reduce　　　　　　　　 C. increase　　　　　 D. continue

8.A. so　　　　　　　　 B. but　　　　　　　　 C. or　　　　　　　　　　　　 D. however

9.A. already　　　　　　 B. hardly　　　　　　　　 C. partly　　　　　　 D. never

10.A. wanted　　　　　　 B. lacked　　　　　　　　 C. found　　　　　　 D. expected

11.A. destroying　　　 B. protecting　　　　　 C. disturbing　　　 D. interrupting

12.A. saved　　　　　　 B. lost　　　　　　　　 C. discovered　　　　　　　 D. found

13.A. Air pollution B. Water pollution　　 C. Some diseases　　　　 D. All farmland

14.A. animals　　　 B. plants　　　　　　　　 C. forests　　　　　　　　　 D. people

15.A. must be true　　　 B. will come true　　　 C. can't be true　 D. may be wrong

16.A. happens　　　 B. develops　　　　　 C. exists　　　　　　　　　 D. appears

17.A. settling　　　　　　 B. working out　　 C. answering　　　　　　 D. dealing

18.A. no　　　　　　　　 B. still　　　　　　　　 C. less　　　　　　　　　 D. plenty of

19.A. about　　　　　　 B. in　　　　　　　　　　 C. out　　　　　　　　　　　　 D. for

20.A. working　　　 B. suggesting　　　　　 C. spending　　　　　　 D. waiting

高二英语完形填空中等难度题查看答案及解析

What does the man mean about the report?

A.He can’t finish it.

B.The report has no end.

C.He will finish it soon.

高二英语短对话简单题查看答案及解析

Nate Ledoux flew all the way across the country to surprise his father Officer Duane Ledoux on his final day with the Southbridge Police Department.

A video shows Duane overcome with emotion when he makes his final radio call， known as a "final code five" on June 25 and the call is answered by his son.

"It is my sincere pleasure to announce that on this day， after 32.5 years of service， my father， Southbridge Police Officer Duane Ledoux， is retiring and has given his final code five，" Nate Ledoux says.

Nate continues： "It is my honor to acknowledge this code five， to set free a man who has sacrificed so much of his time for all of us， so that he may spend the rest of his life discovering new craft beer， exploring this beautiful country， and most importantly， chasing glory. "

"Dad， you are officially code five. "

Fighting back tears， Duane radios back： "Love you. "

The father shakes his head in disbelief， tapping the radio to his forehead.

"He did come home. He came home. I called that，" he says laughing.

In a second video on Facebook Live， Nate can be seen smiling as he sends his dad off.

Southbridge Police Chief Shane Woodson also thanked Ledoux for his more than three decades of service.

"After more than 31 years of service to the town of Southbridge， Officer Duane Ledoux badge 1041 is retiring and giving his final code five，" Woodson said over the radio.

"I wish you the best of luck on your future endeavors. Congratulations brother. "

Duane choked up as he thanked the department and his family， including Nate's brother Nick， who died years ago in a car accident.

"Too much to say， but thank you. To everyone in my family， everyone I've served with， and to my boys. Time to go home. Thank you，" he says.

1.June 25is a special day for Duane because ______ .

A.Nate has flown across the country to see him

B.Shane Woodson praised him for his service

C.it is the very first day to start his new life

D.it is the final day of 32.5 years' service

2.The text mainly wants to show that Duane Ledoux is ______ .

A.a devoted friend B.a qualified father

C.an excellent policeman D.a good leader

3.On this day Duane feels ______ to his family.

A.grateful B.regretful

C.shameful D.hopeful

4.Both Nate and Shane hope that Duane will ______ .

A.do even better in his future career B.enjoy himself in his future life

C.continue to make more achievements D.spend more time with his family

高二英语阅读理解中等难度题查看答案及解析