2017-2018学年高中英语必修3习题：Unit 1 课时跟踪练二 含答案 精品

由此语境可判断选B项。

14．A.and C．or

B．so D．but

解析：选D 作者心里不内疚，“但是(but)”很难过，由前后的转折关系可判断选D项。

15．A.choice C．difficulty

B．failure D．fear

解析：选A 作者的“选择(choice)”是给1美元而不是2美元，因此而难过，故选A项。

16．A.already C．still

B．even D．almost

解析：选C 给出1美元后现在“依然(still)”还有1美元，故选C项。 17．A.way C．right

B．chance D．duty

解析：选B 作者希望很快会有“机会(chance)”给出这1美元，故选B项。 18．A.enjoy C．give

B．value D．trust

解析：选C 由上文“... I wished that I had given him all that I had”的提示再结合下一句的意思可判断选C项。

19．A.need C．earn

B．lose D．borrow

解析：选A 尽管我们确实“需要(need)”钱来给我们自己的孩子买东西，但我们也“应该(be supposed to)”尽最大努力去帮助需要帮助的人，由此语境可判断选A项。

20．A.prepared C．supposed

解析：选C 参见上题解析。 Ⅱ.短文改错

This morning when I was walking in the street, I see a lovely baby. To my surprise, the baby's father was smoking with the baby right in the front of him. As is know to all, second-hand smoke can great harm babies. But many people pay little attention second-hand smoke. In much cases, fathers have to take care of their babies. Will they stop smoke if they know second-hand smoke can do great harm to their children's healthy? So we do hope fathers will be educated in what to take care of their children.

答案：第一句：see→saw

B．forced D．forbidden

第二句：去掉front前的the

第三句：know→known; great→greatly 第四句：attention后加to 第五句：much→many

第六句：smoke→smoking; healthy→health 第七句：we→I; what→how

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