Many people believe we will face environmental disasters _________ we completely
题型：不详难度：来源：
Many people believe we will face environmental disasters _________ we completely change the way we live.| A．but | B．though | C．unless | D．until |
|
答案
| C |
解析
试题分析：but 但是；Though虽然，尽管；unless除非；until直到，常和not一起搭配使用。句意：除非我们改变我们的生活方式，很多人相信我们将要面对生态灾难。故选C。
点评：连词在句子中主要其联系上下文的作用，他们之间的区别就是表示逻辑关系的不同，所以在解题时先要理解上下文含义，然后根据上下文逻辑关系选择合适的连词。 |
举一反三
| Money is important _____ it’s not the only important thing in our life. |
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|
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A. since B. for C. when |
_________ the one-child policy, now most families have only one child.
A. Because B. Because of C. Thanks for |
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A. if B. so C. unless |
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