Unit 3 Computers Learning about language课时作业
第一节 单项填空(共15小题;每小题1分,满分15分)
请阅读下面各题,从题中所给的A、B、C、D四个选项中,选出最佳选项。
1._____________ his parents' advice,he____________ having made such a silly mistake now.
A.He had taken;would not regret
B.Had he taken;would not regret
C.He had taken;would not have regretted
D.Had he had taken;would not have regretted
答案 B
解析 句意为:如果他听取了父母的建议,他现在就不会犯如此愚蠢的错误。if从句与过去相反用过去完成时,省略if后,将had提前。主句有提示词now,表示与现在相反,用would+动词原形。根据句意可知选B。
2.-Don't worry,Mum. The doctor said it was only the flu.
-___________ !I'll tell dad there's nothing serious.
A.Congratulations B.What a relief
C.How surprising D.I'm so sorry
答案 B
解析 Congratulations恭喜,祝贺;What a relief那我就轻松多了;How surprising多么惊喜;I'm so sorry我感到非常抱歉。句意为:--不要担心,妈妈,医生说这只是流感。--那我就轻松多了!我会告诉爸爸这并不严重。故选B项。
3._________ some teenagers don't realize is _______ difficult life can be after they get addicted to drugs.
A.What;how B.That;how
C.What;what a D.That;what
答案 A
解析 句意为:一些青少年没有意识到的是,他们染上毒瘾后生活会是多么艰难。第一空引导主语从句,且从句中缺宾语,故用what;第二空修饰形容词difficult,故用how。
4.The British teachers didn't know what Thanksgiving Day was held_____________.
A.in honour of B.in favour of
C.in place of D.in celebration of
答案 D
解析 in honour of向......表示敬意;in favor of支持,赞同;in place of代替;in celebration of庆祝。句意为:英国老师不知道感恩节是庆祝什么的。故选D项。
5.As he has been in a terrible state of mind these days,on no account ________ achieve success