人教版高中英语选修7教师用书：Unit 5 Section_Ⅳ Grammar_-_Writing(含答案)
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Section_ⅣGrammar_&_Writing非限制性定语从句一、非限制性定语从句的概念非限制性定语从句的作用是对所修饰的成分做进一步说明，通常和主句间用逗号隔开。
He often comes to school late, which makes his teacher angry.他经常上课迟到，这使得他的老师很生气。
She eats too much, which makes her heavier and heavier.她吃得太多，这使她越来越胖。
二、引导非限制性定语从句的关系代词有 as, which, whom, who, whose；关系副词有when, where 等Guo Ailun, as you know, is an excellent basketball player.你知道，郭艾伦是一名优秀的篮球运动员。
Mr Smith, whose foot was badly hurt, was quickly sent to the local hospital.史密斯先生的脚受了重伤，很快就被送到了当地医院。
We'll graduate in July, when we will be free.我们将于七月份毕业，到那时我们就自由了。
[考题印证]1①(北京高考改编)I borrowed the book Sherlock Holmes from the library last week, which my classmates recommended to me.②(四川高考改编)Until now, we have raised 50,000 pounds for the poor children, which_is quite unexpected.③(天津高考改编)We have launched another manmade satellite, which_is announced in today's newspaper.④(浙江高考改编)Ellen was a painter of birds and of nature, who,_for some reason,had withdrawn from all human society.1．as 与 which 引导非限制性定语从句时的区别正如我们所知，台湾属于中国。
Allen made much progress in English, which delighted us.艾伦英语取得了很大进步，这使我们很高兴。
2．as 引导限制性定语从句，常与 the same, such, as 等连用，在句中常作主语、宾语或表语。
3．as 引导非限制性定语从句，常用在一些固定结构中。
as is said above 如上所述as is already mentioned above 就跟上边所提到的那样as is known to all 众所周知as is often the case 就跟经常的情况那样as often happens 就跟经常发生的那样as is reported 就跟所报道的那样as you can see 就跟你看到的那样[考题印证]2①(江苏高考改编)The number of smokers, as is reported, has dropped by 17 percent in just one year.②(山东高考改编)There is no simple answer, as is often the case in science.③(安徽高考改编)A lot of language learning, as has been discovered, is happening in the first year of life, so parents should talk much to their children during that period.三、“介词＋关系代词”引导的非限制性定语从句1．“介词＋关系代词”可以引导限制性定语从句，也可以引导非限制性定语从句。
该结构中关系代词指人时用whom，指物时用which，不可用that；关系代词在从句中作定语时用whose。
I had told them the reason, for which I didn't attend the meeting.我没有去开会，我已经把理由告诉他们了。
He bought the car for more than $20,000, with which his father was very angry.他花两万多美元买了这辆车，他父亲对此很生气。
2．from where也可以引导定语从句。
We stood at the top of the hill, from where we can see the whole town.我们站在山顶上，从那里可以看到整个城镇。
[考题印证]3①(天津高考改编)English is a language shared by several diverse cultures, each of which uses it differently.②(浙江高考改编)The children, all of whom had played the whole day long, were worn out.四、使用非限制性定语从句时需注意的问题1．that 不能用于引导非限制性定语从句。
2．非限制性定语从句还能将整个主句作为先行词，对其进行修饰，这时从句谓语动词要用第三人称单数。
3．非限制性定语从句中，不用 why 引导，用 for which 代替 why。
4．先行词为独一无二的物体时，一般用非限制性定语从句。
The sun, which rises in the east, gives us light and heat.太阳从东边升起，给我们光和热。
The Great Wall, which is called in Chinese “The TenThousand Li Great Wall”，is actually more than 6,000 kilometers.长城，中国人称作“万里长城”，实际不只有6,000千米。
Ⅰ.用非限制性定语从句连接两个句子1．She has two daughters; they both married rich men.→She_has_two_daughters,_who_both_married_rich_men.2．He visited the Great Wall again. He went there two years ago.→He_visited_the_Great_Wall_again,_where_he_went_two_years_ago.3．He failed in the examination. It made his father very angry.→He_failed_in_the_examination,_which_made_his_father_very_angry.4．He must be from Africa. It can be seen from his skin.→He_must_be_from_Africa,_which/as_can_be_seen_from_his_skin.5．He has two sons. Both of them work as chemists.→He_has_two_sons,_both_of_whom_work_as_chemists.6．He is a man of great experience. Much can be learned from him.→He_is_a_man_of_great_experience,_from_whom_much_can_be_learned.Ⅱ.用定语从句完成句子1．He lived in a big house, in_front_of_which (在它的前面) stood a big tree.2．There are 40 people in the team, half_of_whom (他们当中有一半人) are from the countryside.3．Let's fix the date for the meeting, when_we_will_talk_about (到那时我们将讨论) the issue carefully.4．The village is not the same one as_it_used_to_be (正如它过去的样子)．5．He came to the street, in_which (在街上) he had first met Sue.6．Mary, who_is_my_best_friend (她是我最好的朋友), will come to see me tomorrow.7．She bought some cloth, with_which (用它) to make the dress.8．The boy hid behind the curtain, from_where (从那里) he could see the beautiful view.书信假设你是李华。
你的外国笔友 Jane 打算于七月来中国，特来信了解中国人的社交习俗。
请你用英语回一封信，从以下几个方面作具体介绍。
1．见面时的问候方式；2．对赞美的回答方式；3．接收礼物时的回应方式；4．餐宴礼节。
注意：1.词数100左右，信的开头和结束语已为你写好(不计入总词数)。
2．可根据内容要点适当增加细节，使行文连贯。
Dear Jane，Glad to hear from you and you're welcome to China in July.__________________ ________________________________________________________________________I hope what's mentioned above might be helpful and wish you a good journey.Yours sincerely，Li Hua Dear Jane，Glad to hear from you and you're welcome to China in July. The following are some Chinese customs.①Firstly, we greet each other by saying “Hello” or asking such questions as “Where are you going？”or “Are you busy？”to express our care. ②Secondly, when praised, we reply with “Oh, no！” or “I'm overpraised” to show good manners.③Next, when receiving a gift, we usually say “It's unnecessary” besides saying “Thanks” to show politeness and then put it away. ④Finally, at dinner parties, we talk loudly and touch glasses when drinking to someone's health or success to show that we're warm.⑤Anyhow, different cultures have different customs. If you “Do as the Romans do when in Rome”， you'll enjoy more of your stay here.I hope what's mentioned above might be helpful and wish you a good journey.Yours sincerely，Li Hua,本文可分为三个部分。
