新概念英语三册课后练习答案lessons-19-21

新概念英语三册课后练习答案 lessons 19~21新概念英语三册课后练习答案 lessons 19~21 新概念 3 课后习题答案： Lesson 19 1a 2b 3a 4b 5d 6a 7b 8d 9c 10b 11c 12a 新概念 3 课后习题解析： Multiple choice questions 多项选择 1. A 正确 could and would 情愿并有实力 companion n.同伴,共事者 2. B 正确 on what conditions 在什么样的基础之上 reveal vt.呈现,显示,揭示,暴露 3. A 正确 greatly adv.很,特别 4. B 正确 for a great many years(用完成时) 5. D 正确 6. A 正确 reaction n.反应,反作用依据语法规则： 主 语 是 ambition, duty, goal, hope, idea, intention, mistake, plan, policy, purpose, reaction, suggestion 等名词的时,句子的表语必需是 to 不定式短语,该不定式短语是说明其内容的。 -- His purpose in life was to seek truth instead of money. -- Our plan is to make better use of this material. 7. B 正确 for fear + of/that -- They are working hard for fear that they should fail. = They are working hard for fear of failure. afraid for侧重点表示：为...感到担忧,胆怯 失去 -- The parents are often are afraid for their children.父母常为孩子担忧。 -- He was afraid for his job.他胆怯丢工作。 -- I am not afraid for my head.我不怕掉脑袋。 8. D 正确修饰 money 用 large 9. C 正确 measured adj.慎重的,有节奏的,标准的,整齐的,有规则的 regular adj.强调有规则的 disciplined n.受过训练的,遵守纪律的 10.B 正确 go for a walk = go for a stroll go on/for a trek 进行艰苦的跋涉-- trek n.牛拉车旅行,艰苦跋涉 go for a trot 去漫步 -- trot n.小跑,骑马,疾走,劳碌 lane n.(乡间)小路,巷,里弄 -- I’m going for a trot down the lane.我正沿着巷子小跑。 11.C 正确 sure enough = as (was) expected without a doubt adv.无疑地 as a matter of fact adv.事实上(in fact = actually事实上,事实上) 12.A 正确 healthy adj.健康的,健壮的 sane(adj.神志清楚的,头脑清楚的)= sensible(明智的,有推断力的) 新概念 3 课后习题...