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问题 多项选择题

下列属于二级保护药材的有（）

A.杜仲

B.乌梢蛇

C.熊胆

D.蕲蛇

答案

参考答案：A, B, C, D

解析：本题考查二级保护药材。二级保护药材名称：马鹿、甘草、麝香、蟾酥、黄连、黄柏、蛤蟆油、蛤蚧、穿山甲、厚朴、杜仲、白花蛇、乌梢蛇、蕲蛇、熊胆、人参、血竭。故本题答案应选ABCD。

句型转换

按要求写句子。

1. What does your aunt do? (同义句)

    ______________ ______________ your aunt's ______________?

2. They are firemen. (变单数)

    ________________________________________________________.

3. He wants to be a policeman. (就划线部分提问)

    ________________________________________________________?

4. Would you like to sing and dance? (同义句)

    ______________ ______________ to sing ______________ dance?

5. They are my new friends. (就划线部分提问)

    ________________________________________________________?

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单项选择题

It is difficult to imagine what life would be like without memory. The meanings of thousands of everyday perceptions, the bases (51) the decisions we make, an d the roots of our habits and skills are to be (52) in our past experiences, which are brought into the present (53) memory.

Memory can be defined as the capacity to keep (54) available for later use. It includes not only "remembering" things like arithmetic or historical facts, but also any change in the way an animal typically behaves. Memory is (55) when a rat gives up eating grain because he has sniffed something suspicious in the grain pile. Memory is also involved when a six-year-old child learns to swing a baseball bat.

Memory (56) not only in humans and animals but also in some physical objects and machines. Computers, for example, contain devices for storing data for later use. It is interesting to compare the memory-storage capacity of a computer (57) that of a human being. The instant-access memory of a large computer may hold up to 100000 "words" —ready for (58) use. An average American teenager probably recognizes the meanings of about 100000 words of English. However, this is but a fraction of the total (59) of information which the teenager has stored. Consider, for example, the number of facts and places that the teenager can recognize on sight. The use of words is the basis of the advanced problem-solving intelligence of human beings. A large part of a person’s memory is in terms of words and (60) of words.

59().

A. deal

B. number

C. mount

D. amount
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