1、大学英语四级改革适用（听力）模拟试卷 20（无答案）Section A（A）To make decisions in agreement with the committee.（B） To do whatever the committee asks him to.（C） To make himself the committee chairman.（D）To run the committee his way.（A）Leave the hotel the next morning.（B） Ask the hotel clerk for his room key.（C） Stay in the
2、 hotel for at least two nights.（D）Complain to the manager about the extra charges.（A）He didnt save much of his salary.（B） He paid more for rent than the woman.（C） He spent his saving on summer housing.（D）If he earned more money hed be able to save more.（A）Reference books are not allowed to be checke
3、d out.（B） Students with library cards can check any book out.（C） The number of books a student can check out is unlimited.（D）Only students with library cards can check out reference books.（A）The new comedy opening in town is well worth watching.（B） Shed prefer to see a different type of movie than a
4、 comedy.（C） She wont be able to go to the movie because of her research paper.（D）The man should help finish the research paper if she goes to the movie with him.（A）Take a class together with Mary.（B） Ask Mary to help him choose a topic.（C） Change the topic of his research project.（D）Sign up for a di
5、fferent political science course.（A）He wont vote for the woman.（B） He may also run for class president.（C） He has promised to support the woman.（D）The woman should ask his roommate to vote for her.（A）The woman will put off her decision to study.（B） The woman will now just study rather than go out.（C
6、） The woman will go out because shes in a good mood.（D）The woman will have to make a decision whether to study.（A）To work in Tibet.（B） To relax after work.（C） To see his relatives.（D）To join an international conference.（A）Because she lives there.（B） Because her brother lives there.（C） Because she ha
7、s a close friend there.（D）Because she has been there before.（A）Warm and humid.（B） Cold and humid.（C） Warm and dry.（D）Cold and dry.（A）High altitude.（B） The cold weather.（C） High latitude.（D）The food.（A）One of his classes finished early.（B） His books were ten days overdue.（C） He wanted to get some stu
8、dying done.（D）The library had a special display on the Industrial Revolution.（A）They are checked out.（B） They are specially coded.（C） They are inspected by the guard.（D）They are marked with colored labels.（A）Checks all books for missing pages.（B） Helps students use the card catalogue.（C） Demagnetise
9、s the books as they are checked out.（D）Copies down the name and the address of each borrower.Section B（A）How the President proposes new laws.（B） How a bill is passed by lawmakers in Congress.（C） How the President can reject a proposed law.（D）How lawmakers can force the President to sign a bill.（A）Wh
10、y the President opposes a bill.（B） How lawmakers want to revise a bill.（C） Why a deadline has not been met.（D）When lawmakers plan to end their session.（A）They send the message to the President within ten days.（B） They officially state reasons for rejecting the message.（C） They meet with the Presiden
11、t.（D）They revise the vetoed bill.（A）The bill becomes law immediately.（B） The bill cant become law unless the whole process begins again.（C） Lawmakers must review the bill within ten days.（D）The President must sign the bill if its passed again.（A）How historical events affected an art movement.（B） How
12、 artists can influence economic conditions.（C） Why a certain art movement failed to become popular.（D）How valuable paintings were lost during wartime.（A）People working in a large factory.（B） People walking on crowded city streets.（C） An everyday activity in a small town.（D）A well-known historical ev
13、ent.（A）The populations of small towns increased rapidly.（B） Art critics in cities began to take notice of regionalism.（C） Some regionalist painters began a new art movement.（D）Society became more internationally focused.（A）Most parts of it have already disappeared.（B） It will be replaced by a new on
14、e.（C） Some parts of it are being destroyed.（D）The general length of it has shortened.（A）The Great Wall was completed in the Ming Dynasty.（B） Not all the foreign tourists like the Great Wall.（C） The first part of the Great Wall was built in 221 BC.（D）The Qin Great Wall was protected well.（A）The local
15、 people sell the bricks for a living.（B） The local people are short of culture knowledge.（C） The local people need bricks and stones to build houses.（D）The local people do not realise the seriousness of the problem.Section C25 Perched among the highlands of western Cameroon, bordered by green mounta
16、ins and cliff faces, Lake Nvos is a scene of breathtaking beauty. But the picture cannot be trusted. A【B1】_study reveals that the lake could release a deadly cloud of carbon dioxide, capable of【B2 】_entire communities around its shores. The warning, from a team of scientists, comes nearly 20 years a
17、fter the lake discharged an estimated 80m cubic metres of CO2 into the【B3】_. Heavier than air, the cloud of gas【B4】_surrounding hillsides and villages. Silent and【B5】_, it exhausted the air of oxygen, killing hundreds of cattle and【B6】_the lives of more than 1,700 people up to 26 kilometres away. “I
18、t was one of the most mysterious【B7】_scientists have ever investigated,“ said George Kling, an ecologist at the University of Michigan. Researchers called in after the 1986 tragedy discovered that the lake contained record levels of carbon dioxide. Gas【B8】_from the Earths magma(岩浆)was under such pre
19、ssure at the bottom of the 200-metre deep lake that it dissolved until it【B9】_ max. A slight shake then released the dissolved gas as a dangerous bubble. To prevent a recurrence, in 2001 engineers installed a pipe to suck CO2 from the bottom of the lake and release it【B10 】_into the air. A pipe was also installed at Lake Monoun, where an outbreak of CO2 killed 37 people in 1984. The science team suggests the urgent installation of a further four pipes in each lake at a rate of one a year.26 【B1 】27 【B2 】28 【B3 】29 【B4 】30 【B5 】31 【B6 】32 【B7 】33 【B8 】34 【B9 】35 【B10 】
