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第1题

( )I=lim(本题4.0分) A、-1/2 B、1/2 C、1/3 D、-1/3
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第2题

Since all the airline tickets were sold out, we were obliged to stay in the city for two more days. [ 1 分 ] A.were cons
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第3题

As is expected, the report has caused acute embarrassment to the government. [ 1 分 ] A.great B.shrewd C.slight D.obv
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第4题

、 Improved consumer confidence is crucial to an economic recovery. [ 1 分 ] A.of little importance B.of critical import
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