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Module 11 Units 1～4 时间：30分钟 Ⅰ.单项填空 1．The number of air crashes that ________in developing countries ________increasing. A．happens；is B．happen；is C．happens；are D．happen；are 答案 B [air crashes后定语从句的谓语动词用复数；“the number of ＋复数名词”作主语时，谓语动词用单数。] 2．Eric even didn't have ________common sense to dial the number 119 when ________fire broke out. A．a；the B．a；/ C．/；the D．the；a 答案 D [第一空特指“紧急情况下拨火警电话”这一常识；第二空泛指“一场火灾”。 ] 3．The habit of having eight hours' sleep a night she was accustomed to ________greatly since last year. A．change B．has changed C．changing D．have changed 答案 B [the habit作主语，she was accustomed to是定语从句，谓语应该是has changed。] 4．This kind of cloth ________ well, and that is why it ________ well. A．washes；sells B．is washed；sells C．washes, is sold | 
