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【单选题】
________ 是液压传动系统中作回转运动的执行元件 。 ( ) A . 液压缸 B . 齿轮泵 C . 液压 马达 D . 转子泵A.
1
B.
2
C.
3
D.
4
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【简答题】A．The language laboratory. B．Travel. C．Studying in high school. D．Going to movies and watching TV.
【单选题】The stranger seemed ________ his way.
A.
to be losing
B.
to have missed
C.
to have lost
D.
lost
【简答题】I was amazed by the stubborn capacity of Americans to help a stranger, even when it seemed to run contrary to their own best interest.
【单选题】The stranger seemed _______ his way.
A.
to be losing
B.
to have lost
C.
to have missed
D.
lost
【单选题】The stranger seemed ()his way.
A.
.to be losing
B.
.to have lost
C.
.to have missing
D.
.lost
【简答题】"Now we're more than halfway; only two miles away from the tavern," said the
driver. "I'm glad of that!" answered the stranger, in a sympathetic
mood. He wanted to say more but the east wind blew cl...
相关题目：
【单选题】The stranger seemed ________ his way.
A.
to be losing
B.
to have missed
C.
to have lost
D.
lost
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