高二英语选修七Unit1

1、高二英语选修七unit 1 7. 291. many different people contributed to the development of tv. (l6)很多背景不同的人对电视的发展作出了贡献。contribute v. 1)捐助，贡献2)投稿3)有助于，成为的原因a. it was generous her to con tribute such a large sum.b. come to the meet ing if you feel you have something to cont rib ute.c. she contributcs to several ma

2、gazincs.d. smoking certainly contributed to his early death.拓展： n. c1)捐赠人2)投稿人3)导致因素 n.贡献，投稿，捐款a. al 1 contributions, no matter how smal1, wi11 be much appreciated.b. this invention made a major contribution to road safcty.2. john logie baird constructed the first colour tv in 1928, but it was not u

3、ntil 1938 that the first colour tv programme was broadcast. (l12) 约翰 洛吉贝尔德于1928年制造出第一台彩色电视机，但直到1938年第一个彩 色电视节目才播出。1) . construct制造； 建设 (n.)a. they constructed the bridge in a year.b. he has constructed a new theory.c. the composition is well constructed.d they attempts to construct a programme that

4、will meet the educational needs ofevery child.2) . tt is/was +被强调部分(通常是主语、宾语或状语)+ that/who (指人)+其 他部分。it is li lei' s brother that/who you met in the street yesterday.3. it took more than two decades, though, until 1951, for regular colour tv broadcasts to begin in the usa. (l13)彩色电视节目到1951年才得以在

5、美国定期播出，期间经历了二十多年的时间。though 1) conj.虽然，尽管a. she hasn' t phoned, though she said she would.b. they' re coming next week, though t don' t know which day.2) adv.可是，不过(常用逗号隔开)we were at school together 1 haven't seen her for years, though拓展：as if/though似乎，仿佛she looked as if she， d had som

6、e bad ncws.they stared at me as if 1 was crazy.even though 尽管even though he left school at 16, he still managed to become prime minister.4. regular color tv broadcasts were delayed in the uk until 1967. (l15) 在英国，定期的彩色电视节目的播出一直延迟至1967年。delay v.(使)耽搁，延误；推迟 n.耽搁，延迟the train was delayed due to the acci

7、dent.after much delay, the results of the match were finally made public. 拓展：delay doing sth.推迟做某事without delay毫不迟延，立即5. they also make tv accessible to people who live far away from cities, and satellite dishes can often be seen distributed throughout the countryside and remote areas. (l21)它们也使远离城市

8、的人们可以收看到电 视。accessible易于到达的；能够得到的；平易近人的；易于接受的，易懂的拓展： be accessible tohave access toa. medicine should not be kept where it is accessible to children.b. the remote desert area is accessible only by helicopter.c. her poetry is always very accessible.d. t think that you' 11 find she' s very acc

9、essible.6. however, most people still benefit from satellite tv, as local tv broadcast the signals they get from satellite receivers to the population living nearby. (l24)然而，人多数人仍然受益于卫星屯视，因为当地的电视公司把卫星接收器接收到 的信号播送给附近的居民。benefit vt. /vi.使收益；受益于n.利益，好处 adj.有利的a. the new medicine wi11 benefit mankind.b.

10、 both sides have bcncfited from the talks.c. 1 hope what i have written will be of benefit to those who may feel the same way.d. law is established for the benefit of man.7. the first record player had to be wound up by hand. (l31) 最早的留声机必须手摇上发条。wind v. 1）缠绕，卷绕 2）（道路、轨道、河流等）蜿蜒；曲折前进the man" s ar

11、m was wound with bandages （绷带）.the highway winds along the coast. 拓展：wind up摇动（把手等）；给机器上发条;缠绕 wind down （钟表）慢下來，停住；（人）松弛下來this year has bee n fra nti cally busy for us, a nd i need a holiday jus t to wind down.wind one, s way 蜿蜒，曲折延伸the stream winds its way through the village.8. technology is now c

12、hanging faster than most people cam keep pace with. （l51）技术变革快得大多数人难以跟上步伐。pace步伐，速度a. when pol 1 y sensed someone was fol lowing her in the dark, she quickened her pace-b. the fat her slowed down a bit so that the child could keep pace with him.practice 翻译下列句子。1）.过去我们开会就在这间房子里。（强调句）in this roomwe us

13、ed to have meetings.2）.破祐容易建设难。to destroy than .3）. when we got to the hotel, it was still （询在建设中）.4）.他们为什么延期开学？why have they the school?5）.必须立即挽救那些处于危险屮的工人。the workers in danger must be rescued.6）.这座岛只能坐船去。the islandonly by boat.7）.这种信息不是很萄福到such information.8）.这条河蜿蜒流向大海。the river to the sea.9）.汤姆睡

14、觉之前给钟上发tomhis clock before he went to bed.10）. the volunteers large amounts of their own time the project.（把自己大量的时间花在了这个项目上）.cntcncc structure onalysis:1. john logie baird constructed the first colour tv in 1928, but it was not until 1938 that the first colour tv programme was broadcast. (l12)这是一个句(

15、并列，简单)，第二个句子是句。用not until翻译句子：直到妈妈回來她才去睡觉。she go to bed her mother came back.改为倒装句：her mother came back she go to bed.改为强调句：her mot her came back she wentto bed.2. tt took more than two decades, though, until 1951, for regular col our tv broadcasts to begin in the usa. (l13)花时间做某事的句型：3. they also make tv accessible to people who live far away from cities, and satellite dishes can often be seen distributed throughout the countrysidc and remote areas. (l21)分析此句结构：这是一个句，第一个句子中包含从句。4. however, most people still benefit from satellite tv, as local tv broadca