21. It is ______ that he has to ask for help.

　　A. so a big job

　　B. a so big job

　　C. a such big job

　　D. such a big job

　　22. It seems good ______, but it doesn’t work ______.

　　A. in practice ; in theory

　　B. in theory; in practice

　　C. theoretical; practical

　　D. for theory; for practice

　　23. Einstein was the first to show ______ how the energy of the atom might be released.

　　A. in theory

　　B. in advance

　　C. in general

　　D. in particular

　　24. I ______ his views, although I do not agree with him.

　　A. respect

　　B. respect for

　　C. respecting

　　D. respected

　　25. We should ______ the elders and teachers.

　　A. show many respects to

　　B. show respects for

　　C. show a respect to

　　D. show much respect for

　　26. Don’t use words, expressions, or phrases ______ only to people with specific knowledge.

　　A. being known

　　B. having been known

　　C. to be known

　　D. known

　　27. ______ production up by 60%, the company has had another excellent year.

　　A. As

【2017高考英语三轮复习回归基础训练Unit20 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8 Unit 2 Cloning

★ 重庆市2014高考英语阅读理解一轮（精品）训练题（16）附答案

★ 2014届高考英语一轮复习课时作业(二十二)必修4Module 4《Great Scientists》（外研版）

★ 【优化方案】2017届高考英语二轮复习全国卷Ⅱ题型重组训练：第11组（含解析）

★ 2014届高考英语一轮复习必修1参考答案（外研版）

★ 【北师大版】2014届高考英语一轮复习指导课时作业：Unit 10 A卷 Word版含解析

★ 2017年高考英语二轮复习精品资料：专题15 完形填空（押题专练）（原卷版）

★ 湖南省汝城二中2014届高考英语一轮复习阅读训练 (40)

★ 2015-2016高考英语词汇复习不可忽视介词

★ 2017高考四川省广安市英语阅读理解一轮系列训练：8（含解析）