答案　B　[推理判断题。根据第一段her six－year－old son，Benjamin，to his piano lesson可知，Benjamin在六岁时就去学钢琴，说明他是在很小的年纪就学钢琴。]

　　22．The car accident happened because ________．

　　A．Barbara's car was out of control

　　B．there were so many cars on the road

　　C．there was ice on the road

　　D．Barbara was too tired to control her car

　　答案　C　[细节理解题。根据第三段a car had lost control on a patch of ice可知，因为地上有冰，一辆车失去控制造成了车祸。]

　　23．Why did Barbara consider going on her way instead of helping the passengers?

　　A．Because she worried about her son.

　　B．Because she didn't know first aid.

　　C．Because she was late for work.

　　D．Because someone else would help them.

　　答案　A　Then she paused.What about Ben? She couldn't take him with her.Little boys shouldn't see scenes like the one she anticipated(预料)．But was it safe to leave him alone? What if their car were hit from behind？可知，Barbara开始对救人犹豫是因为她担心儿子的安全。]

　　24．What did Barbara do to save the driver?

　　A．She ran to the hospital for help.

　　B．She drove the ambulance to the crash site.

【2017届高考英语一轮复习课时作业：unit 20 New Frontiers（北师大版）】相关文章：

★ 【北京专用】2014届高考英语一轮复习方案课时作业：选修7 Unit 2 Robots

★ 湖南省汝城二中2014届高考英语一轮复习阅读训练 (56)

★ 2017届高考英语二轮复习大题冲关秘籍完形填空之夹叙夹议文：考纲分析（含解析）

★ 【人教版】2014届高考英语一轮复习指导考点针对练：选修6 unit2《Poems》

★ 2017届高考英语二轮复习大题冲关秘籍完形填空之记叙文：应试策略（含解析）

★ 2017届江苏省淮安市新马中学高考牛津译林版英语一轮复习活动单：模块6 Unit 2《What is happiness to you》

★ 【北师大版】2014届高考英语一轮复习指导课时作业：Unit 9 A卷 Word版含解析

★ 【北京专用】2014届高考英语一轮复习方案课时作业：必修5 Unit 3 Life in the future

★ 湖南省汝城二中2014届高考英语一轮复习阅读训练 (54)

★ 四川省2016届高考英语一轮复习课时作业（41） Module 5 Ethnic Culture 外研版选修8