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【单选题】
在装备电子控制自动变速系统的汽车上,当液力变锁止时,液力变的传动效率为:A.
96%
B.
98%
C.
100%
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【简答题】It has been more than twenty years since pioneering British computer programmer, Sir Tim Berners Lee, created the World Wide Web. But could he have ever imagined how much the web would change our live...
【单选题】Tim ____since he lost his job three weeks ago.
A.
had been unemployed
B.
was unemployed
C.
has been unemployed
D.
has unemployed
【简答题】阅读理解 It has been more than twenty years since pioneering British computer programmer, Sir Tim Berners Lee, created the World Wide Web. But could he have ever imagined how much the web would change our...
【单选题】Tim had one of his legs broken when he fell off a ladder and has been ____ ever since. [ ]
A.
badly off
B.
well off
C.
worse off
D.
better off
【单选题】The teacher called Tim’s mother __________ what he had done in the test.
A.
because of
B.
because
C.
since
D.
as
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