据自成学历信息网小编的了解，全国自考英语(二)历年真题练习（单选），原来具体内容是这样的。

　　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。

以上就是自成学历信息网为您收集的内容希望能给您带来帮助，想要了解更多成考自考相关信息，可持续关注自成学历信息网(www.zc77.cn)。