Unit 3 Computers Learning about language课时作业

Ⅰ.单项填空

1.Hearing the doorbell，I ran to answer it but found my brother had ________ me and let the guests in.(2018·南京市、盐城市高三一模)

A.interrupted B.updated

C.anticipated D.overlooked

答案　C　[interrupt意为"打扰"；update意为"更新"；anticipate意为"先于......行动"；overlook意为"忽视"。根据句意可知应选C项。]

2.________ you have a good command of English grammar，it will be much easier for you to write good English articles.

A.Once B.Unless

C.Although D.Before

答案　A　[Once "一旦"在句中引导条件状语从句。Unless "除非"；Although "尽管"；Before "在......之前"。]

3.Professor Johnson will be invited to give us a lecture on English literature，but when and where to hold it ________ yet.(2018·江苏四星级学校4月联考)

A.wasn't decided B.weren't decided

C.hasn't been decided D.haven't been decided

答案　C　[句意：Johnson教授将受邀给我们作一个英国文学方面的讲座，但时间和地点还未定。根据句意及句中的"yet"可知，此处应用现在完成时；又"when and where＋to do"作主语时，谓语动词一般用单数。]

4.________ speed and flexibility，China's anti-ship missile CM-302 also has greater destructive power than others in the market.(2018·苏州市高三调研)

A.On the contrary to B.Apart from

C.On behalf of D.Little more than

答案　B　[句意：除了速度和灵活性之外，中国的反舰导弹CM-302也比市场