(2013·高考新课标全国卷Ⅰ)There’s no way of knowing why one man makes an important discove
题型：不详难度：来源：
| (2013·高考新课标全国卷Ⅰ)There’s no way of knowing why one man makes an important discovery________another man，also intelligent，fails. |
答案
| D |
解析
| 选D。本题考查从属连词和并列连词的区别。句意：不清楚为什么一个人会有重大发现，而另外一个同样聪明的人却失败了。根据句意断定，该题的空格处需要填入一个并列联词。乍一看，这四个连词似乎都是从属连词，都不能填入句中。殊不知，在实际的语言运用过程中，while还具有并列连词的属性，表示“转折和对比”，正好符合句式结构和语意逻辑。故答案选D。其他三个选项都没有这种属性和功能，所以可以排除。 |
举一反三
| (2013·高考重庆卷)It’s not easy to change habits，________with awareness and selfcontrol，it is possible. |
| (2013·高考北京卷)Don’t turn off the computer before closing all programs，________you could have problems. |
(2013·高考北京卷)I took my driving license with me on holiday，________I wanted to hire a car.| A．in case | B．even if | | C．ever since | D．if only |
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| (2013·高考天津卷)________ small，the company has about 1,000 buyers in over 30 countries. |
(2013·高考山东卷)________I have to give a speech，I get extremely nervous before I start.| A．Whatever | B．Whenever | | C．Whoever | D．However |
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