解析：thanks to强调“多亏”，含有较重的感谢意味。as to“关于”和ought to“应该”不合题意；but for“要不是”，句子常用虚拟语气。

　　二、用所给词的适当形式填空

　　1．Fresh air and ________(nutrition) food will speed up his recovery.

　　2．I wonder what the ________(underline)word“it”in this sentence refers to.

　　3．________(disturb) by so much noise, I couldn't fall asleep until deep into the night.

　　4．He stood for ________(free)of speech for everyone regardless of color, race or sex.

　　5．At the International School they have pupils of 46 different ________(national)．

　　6．Part­time workers often work in low­paid ________ (occupy)．

　　7．The latest ________(equip) was brought in from Germany early this year.

　　8．The ________(discover) of gold in the valleys will enrich the poor mountain area.

　　9．With ________(produce) up by 60%, the company has had another excellent year.

　　10．Scientists can see and study ________(bacterium)with the help of a microscope.

　　答案：1.nutritious　2.underlined　3.Disturbed　4.freedom

　　5．nationalities　6.occupations　7.equipment　8.discovery

　　9．production　10.bacteria

　　三、选用方框内所给短语的适当形式填空

【2017届高考英语一轮复习教案：4.2《Working the land》（人教版必修4）】相关文章：

★ 【三维设计】2017届高考英语（江苏专用）二轮复习课件：必修4 Unit 1《Advertising》

★ （安徽专用）2014届高考英语一轮复习方案 作业手册（17）模块6 《Unit 17 Laughter》（含解析） 北师大版必修1

★ 【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18组（含解析）

★ 【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13组（含解析）

★ 【浙江专用】2014届高考英语一轮复习课时作业(一)必修1Unit 1《Friendship》

★ 2014届高考英语一轮复习课时作业(三十)必修5Module 6《Animals in Danger》（外研版）

★ 【北京专用】2014届高考英语一轮复习方案课时作业：必修3 Unit 2 Healthy eating

★ 【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

★ 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）

★ （安徽专用）2014届高考英语一轮复习方案 作业手册（20）模块7 《Unit 20 New Frontiers》（含解析） 北师大版必修1