自然休止角_爱下问搜题

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问题名词解释

自然休止角

答案

参考答案：

砂土堆积的土坡，在自然稳定状态下的极限坡角。

完形填空

完形填空。

       1   all the things we eat and drink, water is the   2   important. Not   3   people understand this, but it is
quite true. The human body can go   4   food for a long time, but two   5   three days without water usually
make people   6 .
     Many people don't understand how   7   water the human body needs   8   well and many people don't
drink enough, especially in hot weather. More people drink when they are thirsty. They often need more water,
especially when they take exercise.
    A man's body is 65 to 75 percent water. If we don't have   9   water, we feel  10  and may become ill.
Do you know what the best drink is?

( )1. A. At
( )2. A. more
( )3. A. many
( )4. A. with
( )5. A. and
( )6. A. dead
( )7. A. many
( )8. A. work
( )9. A. some
( )10. A. fine

B. By
B. much
B. few
B. on
B. or
B. to die
B. little
B. to work
B. a little
B. tired

C. Of
C. least
C. lots of
C. without
C. but
C. dying
C. much
C. working
C. all
C. happy

D. In
D. most
D. much
D. by
D. of
D. died
D. can
D. works
D. enough
D. well

填空题

归经是以______为理论基础，以______为依据。