According to the rules of the factory, you can ask for leave ________ you have a
题型：不详难度：来源：
According to the rules of the factory, you can ask for leave ________ you have a doctor’s diagnosed(诊断) note.| A．now that | B．if | C．unless | D．even though |
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答案
| B |
解析
试题分析：根据句意根据厂里的规章制度，如果你有医生的诊断书，你才能请假。故选B
A.既然 B.除非…否则 D.即使
点评：本题注意unless一词，unless一词前面常要有否定意义的词，句意才符合逻辑。例如：We will easily become unhappy unless we deal with our problem well. |
举一反三
—Some Chinese students find it difficult to understand native speakers when in London.
—Exactly, ______ they’ve learned a lot about grammar and known many words.| A．if only | B．now that | | C．even if | D．as if |
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We didn’t know you were in trouble at that time, _______ we would have given you a hand.| A．therefore | B．unless | C．otherwise | D．so |
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His ability has never been in doubt----the question is ___________ or not he is prepared to work hard.| A．that | B．if | C．where | D．whether |
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Considering that she did her work ______ her manager had instructed, it was not proper to criticize her.| A．as | B．until | C．when | D．though |
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