(人教＋朗文)九年级英语同步辅导与练习:Unit 17 Themissing necklaceUnit 17 The missing necklace词汇：necklace, steal, shoot, detective, inspector, thief, notice, robber, escape, conversation, robbery, description.词组：（1）hands up举手（2）ask for help求助（3）look like看起来像（4）come down下来（5）spend …doing sth. 花费…做某事交际用语：（1）Did you see the person who stole it?（2）Hands up! I’ll shoot anyone who moves.（3）I don’t know how to call it in English.（4）There’s no ne ed to thank me.（5）I’m only doing my job.语法、定语从句重点、难点：一. steal / rob.1. steal指暗中窃取他人财物，所接的都是物，如钱财、物品等。
steal +sth +from +sb. / some placeThey stole all our money.他们把我们的钱都偷走了。
The car was stolen汽车被盗He stole money from the rich to give it to the poor.他劫富济贫。
2. rob +sb. / some place + of +sth. 表示抢劫或盗窃其对象是人或场所，如银行、商店、办公室等。
They knocked him down and robbed him of his gold watch.The car was robbed.车上的东西被盗了。
二. hands up1. Hands举起手来Put up your hands.2. at hand 在手边by hand 用手做，靠人工hand in hand 手牵手、携手hand to hand 短兵相接in hand 在手里、在掌握中on the other hand 另一方面hand in 面交、提出hand out 分发、散发三. need1. need做名词，need of / for ＋名词/动名词或不定式There is no need for you to wait. 你不必等。
There is no need of / for money. 不需要钱。
当need做复数时“必需之物，需求之物”Our needs should come before our wants.先有了生活必需品，才能谈想要的东西。
2. need做动词，接名词、代词、不定式，意思是“需要，必要”Do you need some more water.你还需要水吗？You don’t need to come if you are not free.如果你没空就不必来了。
need sb to do sth.I need you to help me.我需要你来帮助我。
四. escape的用法：1. escape from / out of 从…逃走He escaped from / out of burning building.他从着火的建筑物中逃出。
2. escape +n / doing 逃离I escaped death by luck.我侥幸逃过一死。
He was thankful to escape being caught.他庆幸未被抓获。
3. escape 被（人）遗忘，逃过（人的）注意、记忆Her name escaped me.我忘记了她的名字。
The fact escaped my notice.我没注意到这一事实。
五. match的用法1. match作名词，“比赛”。
We will have a basketball match tomorrow.Who won the match in the end?2. match 作动词“和…相配，和…相称，比得上”Your clothes match your hat very well in colours.你的衣服和你的帽子的颜色搭配很协调。
Your drawings can’t match him.你的画比不上他的。
六. 定语从句在复合句中，修饰某一名词或代词的从句叫做定语从句、被修饰的名词或代词叫先行词，定语从句必须放在先行词之后。
引导定语从句的词有两类：关系代词：that（指人或物），which（一般指物），who（指人）whom （指人），whose（指人或物），在句中作主、表、宾、定语。
关系副词：where（指地点），when（指时间），why（指原因），在句中做状语。
1. 由who, whom, whose引导的定语从句在这类从句中who作主语，whom作宾语，whose作定语。
The woman who is talking with the headmaster is Lily’s mother. （主语）That girl about whom you are talking. （宾语）那就是你们在谈论的女孩。
This is the woman whose wallet was stolen yesterday. （定语）这就是昨天钱包被偷的女人。
2. 由which引导的定语从句which在从句中可作主语和宾语，指物。
作主语时不能省略，作宾语时口语中常被省略。
The fish which we bought was not fresh. （宾语）He bought the jacket which was the cheapest out in the shop. （主语）注意which 和that引导的定语从句中都修饰“物”，但在以下情况只能用which.（1）当关系代词在介词后面时，只用which.What’s the question about which they are talking?他们在谈论什么问题？（2）当先行词是that，关系代词要用which.What’s that which you are holding in your hands?你手里拿的那个是什么？3. 由that引导的定语从句that可以指人或物，代替who、whom、which，在句中作主语和宾语（不能放在介词后作宾语）在从句中作宾语时常被省略。
I don’t like people that / who get angry easily. （主语）Here is the man（whom/who/that）you want to see. （宾语）这就是你想见的人。
Don’t b uy potatoes that / which are green.注意：在下列情况下只能用that.（1）先行词为不定代词all, everything, nothing, something, anything, none, the one等词。
We should do all that is useful to the people.展开全文阅读I’m going to buy everything that I need.（2）当先行词有only, any, all, no, few, little, one of, just, very 等词修饰时。
The only thing that we should do was wait.This is one of the presents that my father gave me on my birthday day.（3）先行词前有一个最高级形容词修饰时This is the best film that I’ve ever seen.（4）当先行词是序数词或被序数词修饰The first friend that I know in American was Lucy.When we talk about Hangzhou, the first that comes into mind is West Lake.（5）当先行词既有人又有物时The writer and his novel that you have just talked about is really well known.（6）当先行词为数词时Yesterday I caught two fish and put them in a basin of water. Now you can see the two that are still alive.（7）主句是there be 结构，修饰主语的定语从句。
There is a room in the hotel that is still free.（8）关系代词本身是定语从句的表语时My hometown is not longer the place that it used to be.4. 由when, where, why引导的定语从句That is the house where she was born.She came at a time when we needed her most.I don’t know the reason why she was so angry.5. 定语从句主谓一致当关系代词在句中作主语时，从句的谓语动词必须与先行词保持人称和数的一致。
Sam is one of the boys who are from the USA.Sam is the only boy who is from the USA.6. 定语从句的时态定语从句可根据表达的需要选用相应的时态。
Where is the student whom I met just now.【模拟试题】（答题时间：100分钟）I. 词汇练习A）根据所给首字母和英文解释，写出完整单词1. s____ take secretly, without right, unlawfully2. s____ aim and fire with a gun or revolver3. d____ person whose business is to detect criminals4. v____ living creatures killed and offered as a religious sacrifice5. e____ get free; get away; find a way outB）用括号内的动词填空1. _________ you __________ （read） English every morning?2.I ________（not have） my breakfast today. I ________（be）so hungry now.3. When his teacher came, he________（talk）with his classmates.4. Her mother________（save）a lot of people’s lives since she became a doctor.5. How many English words________ he________（learn）before he went to college?6. ________ the child _________（send） to the hospital just now?7. Look! Who ________ （ run） over there?8. It’s not easy________（catch） fish with your hands.9.The PRC________（found） on Oct. 1,1949.10. She________（prefer） English when she was a student.II. 完成句子A）选用所给的句子完成对话，使意义完整、通顺。
