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【单选题】
液压泵将( )。 A 、液压能转换成机械能 B、电能转换为液压能 C、机械能转换成液压能A.
1
B.
2
C.
3
D.
4
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举一反三
【单选题】He ______ in Shanghai University for four years before he ______ Beijing.
A.
studied, had gone
B.
had studied, went
C.
has studied, goes
D.
had studied, had gone
【多选题】下列三段论中，属于无效式的有（）。
A.
MAP、MES，所以SOP
B.
SIM、MAP，所以SIP
C.
MAP、SOM，所以SOP
D.
PAM、SIM，所以SIP
E.
PAM、MAS，所以SAP
【单选题】When he was asked why Arthur had not fought in the army, Jed replied, "That simple. He "was yellow." What did he mean?
A.
He was a coward; afraid to fight.
B.
He was sick to his stomach.
C.
He was Chinese.
D.
He had a jaundiced look.
【单选题】When Cartier reached the Gulf of St. Lawrence he hoped ______.
A.
he had got to the Far East
B.
it was a water way to the New World
C.
it was a water way to the East
D.
he had sailed into the Pacific
【简答题】作者认为过去的年的特点是怎样的?
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