高中英语必修四unit-2单词讲解和练习.docVIP

BOOK 4 Unit 2 Working the land 词汇练习 重点单词讲解 1.struggle vt. vi.斗争；拼搏；努力 struggle with与……斗争；和……一起战斗 struggle...for 为争取……而斗争 struggle...against与……斗争；为反对……而斗争 struggle+不定式，如： A bird was caught in the net and was struggling to get free. 一只鸟被网罩住了，挣扎着想要逃脱。 struggle to one’ s feet 挣扎着站起来 a life-and-death struggle生死搏斗 struggle还可以作名词，意思是“斗争；搏斗；努力；挣扎；难事”等。如： With a struggle，he controlled his feelings. 他费力地控制住了自己的感情。 2.expand vt. vi.使变大；伸展；阐述 expand指向四面八方的扩大扩张 extend 强调向某一方向的延长 spread 指消息，疾病，瘟疫等的传播、蔓延，也指把某物铺开，把胳膊张开 【练习】用expand，extend，spread，stretch的适当形式填空。 1). The man _______ the information around. 2). The empire _______ its country in the 16th century. 3). The road builders worked hard to _______ the high way. Keys: 1). spread??? 2). expanded??? 3). extend??? 3.circulate vt. vi. 循环；流传 【例句】 Blood circulates through the body.血液在体内循环。 【考点】 1）形容词：circular圆形的；循环的； 名词：circulation循环；流通；发行量； 2）circulation 作“（报纸、杂志等的）发行量”解时，是可数名词。 4.thanks to thanks to 幸亏；由于；因为 1). Thanks to your help, much trouble was saved. 多亏你的帮助, 减少了许多麻烦。 2). Thanks to the bad weather, the match had been cancelled. 多亏这个倒霉天气, 比赛取消了。 thanks to 相当于because of /owing to /due to /thanks to /on account of /as a result of 5.rid rid sb./sth. of... 使某人/某物摆脱……? 1). Many people are working hard to rid the world of famine. 很多人在努力使世界不再有饥荒。 2). The dentist rid him of the pain by taking out his bad tooth. 牙科医生把他的坏牙拔掉，使他免除痛苦。 [重点用法] rid 短语： be rid of 摆脱? ??????????????????????????????? get rid of 摆脱；除掉；去掉 rid a house of mice 清除室内老鼠????????????????? rid oneself of debt 还清债务 [类似用法动词] inform/ warn/ cure sb. of… 通知/警告/治愈某人…… 6.be satisfied with be satisfied with = be content with 对……表示满足或满意 1). I was not satisfied with the result. 我对那个结果感到不满意。 2). You’ve done well at school. I’m very satisfied with you. 你在学校干得不错，我对你很满意。 [重点用法] sth. satisfy sb. 某事使某人满意?????????????? sb. is satisfied sth. 对……表示满足或满意 be satisfied to do 对做……感到满意????????? be satisfied that clause 对做……感到满