自考英语二历年单选真题专项练习及答案详解

下面是为大家整理的几道自考英语二单选题历年的真题，大家可以做一下，对于做错的题仔细看一下下面的解析，总结出原因，这对大家是很有帮助的。

自考英语二历年单选真题考前练习

1、单选题

[阅读判断]Now， there are about 24 million microcomputers in use in the United States —— one for every 10 citizens. It is estimated that by 1996， 61 percent of American managers will be using some sort of electronic work station.

Q： At present about 10% of American citizens possess a microcomputer.

A.True

B.False

C.Not Given

正确答案：A

答案解析：答案选A。本段一开头就说到目前在美国大约有二千四百万台微型电子计算机在使用中，平均每十人就拥有一台。因此本题的表述是正确的。

2、单选题

[阅读判断]The people of Kiribati are afraid that one day in the not-too-distant future， their country will disappear from the face of the earth - literally. Several times this year， the Pacific island nation has been flooded by a sudden high tide.

Q： The people of Kiribati worry that one day their country will be taken away by a sudden high tide.

A.True

B.False

C.Not Given

正确答案：A

答案解析：答案选A。该题目说的是：Kiribati的人民担心他们的国家将被突发的洪水淹没。该题源于第一句：Kiribati的国民担心在近期的某一天，他们的国家将会地球上面消失by a sudden high tide。

3、单选题

[填句补文] Although the researchers have only just made the technical details of the microscope public， it is already on sale. It is currently the size of a refrigerator and takes several minutes to scan a circuit， but Xiao and Schrag are working ________.

A.to take tiny chips we require

B.to making chips any smaller

C.to shrink it to the size of a desktop computer and cut the scanning time to 30 seconds

D.of conducting electricity

正确答案：C

答案解析：这部分所说的体积的减小和所需时间的缩短恰好与前半句中提到的冰箱大小的体积和所需数分钟的时间形成了对比。即：目前它大约像冰箱那么大，而且要用几分钟扫描一个电路，但是他们正在努力使它缩小到台式计算机那么大，把扫描时间缩短到30秒。

4、单选题

[阅读选择]You can't change your energy cycle， but you can learn to make your life fit it better. Habit can help， Dr. Kleitman believes. Maybe you're sleepy in the evening but you must stay up late anyway. Counteract your cycle to some extent by habitually staying up later than you want to. If your energy is low in the morning but you have an important job to do early in the day， rise before your usual hour. This won't change your cycle， but you'll get up steam and work better at your low point.

If one wants to work more efficiently at his low point in the morning， he should _______.

A.change his energy cycle

B.overcome his laziness

C.get up earlier than usual

D.go to bed earlier

正确答案：C

答案解析：本题要求读者找出本段中的最后两句，并联系本段开头两句的意思，作出正确判断。本段开头说，“虽然你无法改变自己的能量周期，但你可以使你的生活适合这一周期。Dr. Kleitman认为经常性的行为(对你的能量周期)能起作用。”最后两句又说，“…rise before your usual hour…work better at your low point.”(“如果你在上午处于能量的低潮，但你有重要的工作要在上午做，那么你就要比平时早起。这并不改变你的周期，但你可以在低潮时得到能量，工作得更好。”)因此选项C是正确答案。

5、单选题

[阅读选择]In the next stage， from three to five years old， curiosity knows no bounds. Every type of suitable toy should be made available to the child， for trying out， experimenting and learning， for discovering his own particular ability. Bricks and jigsaws(七巧板) and construction toys; painting， scribbling(涂鸦) and making things; Sand and water play; toys for imaginative and pretending play; the first social games for learning to play and get on with others.

We learn from the passage that a child has boundless curiosity______.

A.when he is two.

B.when he is around four.

C.when he is six.

D.when he is eight.

正确答案：B

答案解析：根据In the next stage, from three to five years old, curiosity knows no bounds可以得出答案是B。

6、单选题

[阅读选择]But even if every large city purified and reused its water， we still would not have enough. Where could we turn next? To the oceans! All we‘d have to do to make use of the vast amount of sea-water is —— remove the salt. This salt-removing process is already in use in many parts of the world.

According to the passage， sea-water can be turned into fresh water by_____

A.heating it up.

B.treating it with chemicals.

C.taking salt out of it.

D.drying it up.

正确答案：C

答案解析：海水之所以不能饮用就是因为它是咸的。答题依据是本段的remove the salt即take salt out。

7、单选题

[阅读选择]Today， working less than a 40-hour week， people enjoy more leisure time. Hence， the wise use of leisure time has become an important problem for everyone， young or old. It is a particularly difficult problem for the sick， the aged， and those who have retired from earning a living. Those people have so much leisure that it is hard for them to find interesting and worthwhile ways to use it.

How to spend leisure time wisely is not a particularly difficult problem for people ______.

A.who are very busy everyday

B.who are sick in bed

C.who are aged and in good health

D.who have retired from work

正确答案：A

答案解析：本题可采用排除法，第三句话(It is a particularly difficult problem for the sick, the aged, and those who have retired from earning a living.)，可以看出这三类人对于怎样度过空闲时光是特别困难的，所以可以排除BCD项，选A。

8、单选题

[阅读选择]The children don‘t just plan any city. They map and analyze(分析) the housing， energy， and transportation requirements of their own district and foretell its needs in 100 years. With the aid of an architect(建筑师)who visits the classroom once a week， they invent new ways to meet these needs and build models of their creations.“Designing buildings of the future gives children a lot of freedom，” says the teacher who developed this program. “They are able to use their own rich imagination and inventions without fear of blame，because there are no wrong answers in a future context. In fact， as the class enters the final model-building stage of the program， an elected ’official‘ and ’planning group‘ make all the design decisions for the model city， and the teacher steps back and becomes an adviser.”

An architect pays a weekly visit to the classroom _______.

A.to find out kids‘ creative ideas

B.to discuss with the teacher

C.to give children lectures

D.to help kids with their program

正确答案：D

答案解析：根据本段中的 With the aid of an architect who visits the classroom once a week，they invent new ways to meet these needs and build models of their creations可知答案为D。句中的 aid 意为“帮助”，与 help 同义。