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【单选题】
电极电势对判断氧化还原反应的性质很有用，但它不能判断：A.
氧化还原反应速率
B.
氧化还原能力大小
C.
氧化还原的次序
D.
氧化还原反应方向
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【单选题】_____ the pain was bad, _____he did not complain.
A.
Although, but
B.
Though, but
C.
Though, yet
D.
Even, still
【单选题】At no time does the salesgirl get up late in the morning, for she is always too busy _____ a good rest.
A.
to take
B.
taking
C.
took
D.
taken
【简答题】Even though the United States produces more automobiles than any other country, it still imports large numbers of autos from Germany, Japan and Sweden, primarily because there is a market for them in ...
【单选题】'Though it is difficult to remember now, this was not always the case.' In the 1st paragragh, this sentence suggests that ______.
A.
today Google has become a commonplace way to find information online
B.
Google made a great contribution to searching online
C.
Google changed a lot
D.
Google is different from other search engines
【简答题】We’re always busy with our work. We seldom have _________________________ .
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