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【单选题】
—How long have you been studying today? —_______. [ ]A.
After 7 o'clock
B.
At 7 o'clock.
C.
7 o'clock ago
D.
Since 7 o'clock
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反馈参考答案：
举一反三
【判断题】The feature of arbitrariness of language means we can change the expression when we think it does not sound logical.
A.
正确
B.
错误
【单选题】当国际收支的收入数字大于支出数字时，差额则列入( )以使国际收支人为地达到平衡。
A.
“错误和遗漏”项目的支出方
B.
“错误和遗漏”项目的收入方
C.
“官方结算项目”的支出方
D.
“官方结算项目”的收入方
【单选题】?Read the article below about an insurance company. ?For each question (23-28) on the opposite page, choose the correct answer. ?Mark one letter (A, B or C) on your Answer Sheet. Success Story Journal...
A.
recruitment.
B.
marketing.
C.
investment.
【简答题】Whatever he says, you can be sure the sure the says the ______ ( oppos e ).
【单选题】Critical speed in diesel engines occurs when engine torque pulsations become _____.
A.
opposed to the crankshaft rocking couple
B.
resonant with the crankshaft natural frequency
C.
critical fore and aft crankshaft vibrations
D.
horizontal whipping motions of the crankshaft
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