人教版新课标选修7第四单元精讲讲义(附练习答案).doc
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1、选修7第4单元、 要点导读1、 Sometimes I wonder how relevant chemistry is to the kids, most of whom will be going back to their villages after Year 8、 (P29) relevant adj、“紧密相关得” eg: Do you have any relevant experience? 与to连用,意为“与有关” eg: The film was relevant to what was being discussed in class、 反义词为irrelevant,意
2、为“(与某事物)不相关得;不切题得”eg: What you said is irrelevant to the subject、 relevance n、“相关;切题” eg: What you wrote has no relevance to the topic、2、 The hut was dark inside so it took time for our eyes to adjust、 (P30) adjust vi、“适应”,常与to连用 eg: Astronauts in flight must adjust to weightlessness、 vt、“调整;使适应” eg
3、: You cant see through a telescope unless it is adjusted correctly to your sight、3、 It was such a privilege to have spent a day with Tombes family、 (P30) privilege (1) n、“特别优待;优惠待遇”,通常用作单数;此外,还有“特权”得意思。 eg: Its a privilege for the old to take the city buses for free、 In some countries school educati
4、on is still a privilege for the children from rich families、 (2) v、“给予特权;特别优待” eg: These are policies that privilege the club members、 privileged adj、“有特权得;荣幸得” eg: The right to vote still belongs to the privileged people in that country、4、 Sleeping arrangements (P31) arrangement n、C“安排;筹备”;make arr
5、angements for“为做好准备” eg: They are busy making arrangements for the party、 e to an arrangement“达成一致” arrange v、“安排;筹备;整理”,它后面既可跟名词、代词、动词不定式或从句,也可与for搭配,构成短语arrange for sth“安排某物” eg: Our manager has arranged for a car to meet the clients、 They were too busy to arrange their own wedding ceremony、 The p
6、olice are arranging how to make the president get to the airport safely、5、 When you purchase an item, we will send you an attractive card for you to send to your special person、 (P33) purchase (1) vt、“购买” eg: The books can be purchased from the local bookstore、 (2) n、“购买” U指“购买”这个动作时 eg: I hope you
7、will be satisfied with your purchase here、 C“买某样东西”eg: Mother made several purchases in that shop、6、 Adults develop the confidence to participate in the social, economic and political lives of their munities、 (P34) participate vi、“参与;参加”,常跟in连用 eg: I didnt want to participate in the boring discussio
8、n、 辨析:participate, join与take part in得区别: participate指在感情、观念或行为方面与她人共同参加某一活动。 join既可指参加一群人得活动,也可指加入某个组织,成为其中得一员,常见得搭配为:join the army / club / Party,表示参加某一活动时常用join in sth。 take part in指参加某一活动并发挥作用。7、 Imagine you and your classmates want to donate some of your pocket money to help those in need in ano
9、ther country、 (P34) donate v、“捐赠;捐献”;donate sth to “向捐献某物” eg: The passers-by were asked to donate some money to the people in the flooded area、 donation n、“捐赠;捐赠品” eg: She made a donation of 10,000 dollars to charity、8、 The boy had never e across anything like this and started jumping out of the wi
10、ndows、 (P29) e across“碰见;遇见” eg: I came across him in the street、 I came across a child sleeping under the bridge、 e around / round“前来;苏醒过来” eg: Luckily, the boy cane around quickly after the accident、 e between“在中间来;干预(某两人之间得事)” eg: It is often dangerous and never wise to e between a man and his wi
11、fe、 e out“开花;出版” eg: When is her new novel ing out? e about“发生;(风等)改变方向”;e after“追赶;追随”;e at“袭击;达到”9、 , a low bamboo hut with grass sticking out of the roof this shows its a mans house、 (P29) stick out“伸出” eg: The beggar stuck out his hand toward us、 “醒目;显眼;引人注目”eg: She has red hair that always stic
12、ks out in a crowd、 stick out of“从伸出” eg: The paper was sticking out of his pocket、 stick sth out“坚持到底;忍受下去” eg: She didnt like the course but she stuck it out to get the certificate、10、 I know youre dying to hear about my life here、 (P29) be dying to“极想” eg: All of them are dying to see the movie th
13、is evening、 be anxious to“渴望;非常希望” eg: She was anxious to get a job after graduation、 be eager to“渴望;渴求” eg: Everyone in the class was eager to learn、11、 It was wonderful to hear from you、 (P29) hear from“收到某人得来信(电话等)”,后面接表示人得名词或代词。 eg: The mother is worried because she hasnt heard from her daughter
14、 for a long time、 hear of / about“听说” eg: I have heard of the famous film star but never met her before、 hear sb out“听某人把话说完” eg: Please hear me out before you do anything、12、 Choose from this catalogue a really useful gift for some of the worlds poorest and bring hope for a better future to a munit
15、y in need、 (P33) in need“在困难 / 危急中” eg: You should give your help to someone in need、 in need of“需要”,作表语 eg: According to the survey, that area is in great need of volunteers、There is no need for sb to do sth“对某人来说没必要做某事” eg: There is no need for you to earn so much money、 热点语法:限制性定语从句一、关联词得基本用法1、wh
16、o / that指人,在定语从句中作主语或宾语,作宾语时可省略。 eg: Mr、 Blacksmith who / that es from the USA teaches us English、2、whom指人,在定语从句中作宾语,可省略。 eg: The boy (whom) he spoke of in his talk was Tom、3、which / that指物,在定语从句中作主语或宾语,作宾语时可省略。 eg: Football is a game which / that is always popular with boys、 The pen (that / which)
17、I bought yesterday was lost、4、whose可指人或物,在定语从句中作定语。 eg: I live in the room whose windows face south、 注意:“whose + 名词”可以转换成“the + 名词 + of which (指物) / whom (指人)”得结构。 eg: The girl whose hair is red is Mary、 = The girl, the hair of whom is red, is Mary、5、when指时间,where指地点,why指原因,三者都在定语从句中作状语,可以转化为“介词 + w
18、hich”得形式,但就是why只能转化为“for which”得形式。 eg: I paid a visit to the factory where / in which I worked ten years ago、二、限制性定语从句中只用that得情况1、当先行词就是everything,nothing,something,all,none,few,little,some,any等词时,或先行词被every,little,a little,few,much,any,all等词修饰时。 eg: There seems to be nothing that is impossible to
19、him in the world、2、当先行词被序数词、形容词最高级或the very,the only等词修饰时。 eg: The first place that I visited in Beijing was the Forbidden City、3、当先行词既有人又有物时。 eg: They are talking about the things and the persons that they met yesterday、4、当主句就是以who,which开头得特殊疑问句或先行词就是who时。 eg: Who is the man that is lying under the
20、 tree?三、what与that得选择what相当于the thing / place that / which,the person who等,而that只用来指代先行词,只在定语从句中充当一个成分,所以,如果所填或所选择得词需要作两个成分,一般选择what。eg: They reached what the local people called the Golden Gate、 (what = the place that)He is no longer what he used to be ten years ago、 (what = the person who)四、定语从句中得主
21、谓一致 当关系代词在从句中作主语时,从句谓语动词得数原则上要与先行词保持一致,但就是要注意以下几点:1、one of + 复数名词 + 关系代词 + 复数动词。 eg: He is one of the students who have got great success in physics、2、the / the only one of + 复数名词 + 关系代词 + 动词第三人称单数形式。 eg: He is the only one of the students who has got great success in physics、3、as / which引导非限制性定语,代表
22、整个主句时,从句谓语用动词第三人称单数形式。 eg: He decides to get married, which makes his parents very happy、语法聚焦1、 We will be shown around the city: schools, museums, and some other places, other visitors seldom go、 A、 what B、 which C、 where D、 when2、 Alec asked the policeman he worked to contact him whenever there wa
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