第1题【单选题】
And yet although the Mayas knew about the wheel，they never used it. Neither did they use metals other than copper. What is ever more surprising is that they suddenly abandoned(抛弃) many of the cities and built new ones in the jungle. Some time around AD900，Mayan civilization collapsed. By the year 1200，their last great capital，Chichen Itza，was deserted.One of the most surprising findings about Mayas was that ______.、
A、they developed accurate system measuring time.
B、they knew how to build pyramids with stones.
C、they deserted their cities and moved to new ones.
D、they built cities which they never lived in.
【正确答案】C
【答案解析】对应点为What is ever more surprising is that they suddenly abandoned many of the cities and built new ones in the jungle.是对原文语意进行了转化，最高级代替了比较级。
第2题【单选题】
Besides oil and gas, the sea may offer new sources of energy. For example, warm temperature of the ocean can be used as the steam in a steamship. Sea may also offer a source of energy as electricity for mankind.Why does the author mention a steamship?
A、To illustrate that man can make use of sources of energy from the sea.
B、To show that a steamship is better than other kinds of ships.
C、To argue that man should use steamships.
D、To indicate that it is warmer in the ocean than on land.
【正确答案】A
第3题【单选题】
There is a lot of luck in drilling for oil.
A、以钻探的方法石油有很大的偶然性。
B、以钻探的方法石油全靠运气了。
C、钻探石油有很大的偶然性。
D、钻探石油是很幸运的事。
【正确答案】C
【答案解析】drilling for oil 表示“钻探石油”；a lot of luck本
意表示的是“运气”，在本句中可以翻译为“偶然性”。
第4题【单选题】
I can’t get my car ________ on cold mornings, so I have to try ________ the radiator with some hot water.
A、run; to fill
B、running; filling
C、running; to fill
D、ran; filling
【正确答案】B
【答案解析】get my car running意为“使我的车发动起来”;try doing表示“试一试做某事的办法”;try to do意为“努力去做某事”。
第5题【单选题】
Thirty years ago, most teenagers had bicycles, but now they are comparatively rare. __1__ motor scooters are much more common. __2__ this may seem a sign of progress but __3__ the change is not necessarily for the better.1. At the other end On the contrary On the other hand In addition2. A. At first sight B. At the beginning C. In the first viewD. From the first3.______
A、absolutely
B、actually
C、surely
D、definitely
【正确答案】B
【答案解析】actually, 事实上，实际上。这道题考察学生对文章的理解和对词义的掌握。作者说乍一看这是进步，但事实上不是这样，有转折之意。A, absolutely，绝对的；C, surely, 的确的；D, definitely, 明确地。
第6题【单选题】
This animal is to be found only in the Southern [Hemisphere].
A、解释
B、半球
C、历史学家
D、引用
【正确答案】B
【答案解析】hemisphere n. 半球。
第7题【单选题】
The great sea voyages of Europe’s "Age of Discovery," such as Christopher Columbus’s trip to the West Indies in 1492, would have been impossible without the use of a compass. This great device for sea
voyages was introduced to the West from China during the thirteenth century A.D. We have to thank ancient Chinese for their invention of the compass.What is the paragraph mainly about?
A、Columbus was a great sailor and discoverer.
B、The compass was invented by Columbus.
C、The invention of the compass is important in human history.
D、Columbus introduced the compass to the West Indies.
【正确答案】C
【答案解析】本段讲了如果没有指南针，欧洲的海上航行可能无法实现。由此可见，指南针的发明对于人类历史的发展是非常重要的。
第8题【单选题】
There are too many big things involved ________ this.
A、before
B、for
2021年什么时候考研C、in
D、to
【正确答案】C
【答案解析】be involved in：牵涉，涉及到，答案选C 。
第9题【单选题】
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