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【简答题】

完形填空。
In some parts of the world there are large deserts. There are no trees __1___ water there. Travelers
must take __2___ and water with them.The only animal who can walk __3___ the desert is the camel.
It can go __4___ food and water for a long time, and it can carry heavy loads (担子). People call the
__5___'the ship of the desert'. The camel is very big.It had one or two humps (驼峰)on its back, short ears and a long __6___. The camel's humps hold fat, and its stomach hold water in twelve deep pockets.
Each pocket __7___ a closed mouth and the food does not move with the water. When thecamel
___8__ some water, it can get it out of the __9___. The camel's food is __10___.
( ) 1. A. and no
( ) 2. A. grass
( ) 3. A. out of
( ) 4. A. with
( ) 5. A. horse
( ) 6. A. nose
( ) 7. A. has
( ) 8. A. is wanting
( ) 9. A. hands
( ) 10. A. meat B. any
B. food
B. into
B. to
B. elephant
B. leg
B. thereis
B. wanted
B. pockets
B. breadC. and
C. meat
C. in
C. without
C. cow
C. neck
C. have
C. was wanting
C. mouth
C. cakesD. no
D. drink
D. through
D. into
D. camel
D. mouth
D. having
D. wants
D. nose
D. grass and leaves of trees

题目标签:驼峰
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参考答案:
参考解析:
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举一反三

【单选题】驼峰的道岔区坡其坡度一般为()。

A.
5%~8%
B.
5‰~8‰
C.
1%~3.5%
D.
1‰~3.5‰

【多选题】驼峰分路道岔区段和减速器区段轨道电路,当在轨道电路入口处分路时()。

A.
轨道继电器应可靠落下
B.
轨道继电器应可靠吸起
C.
其落下时间应不大于0.2s
D.
其落下时间应不大于0.4s

【多选题】驼峰处的参数()。

A.
切削速度偏低
B.
金屑切除率也较低
C.
在生产中往往没有实用价值
D.
一般生产中常选用位于驼峰以右的切削速度