教材書上單詞練習(xí)答案

1、此課件包括教材書上涉及到本單元的一些詞匯演練的答案，分別是P23 1，2，3以及workbook P63-64的1，2，3以及P65的1，2。供大家參考。Unit 3 Inventors and inventionsLearning about Language EXAMPLE: n. adj. convenience convenient; independence independent 1 In groups make word pairs with the same suffix. Add more of your own. n.adj.cubebasefancymercystainc

2、arecautionpoisioncubicbasicfancifulmercifulstainlesscarelesscautiouspoisonousv.n.expectrelaxproducereduceidentifysatisfyexpectationrelaxationproductionreductionidentificationsatisfactionadj.v.stronglongfreezingdisappointingstrengthenlengthenfreezedisappoint2 Replace the underlined parts with words t

3、hat have the same meaning. Rewrite the sentence when necessary. 1. The greengrocer at the corner is probably the easiest and nearest to reach.2. If you want to apply for a credit card, you must provide officially acceptable identification. most convenientvalid3. You need to approach that animal with

4、 great care as it may bite. 4. She accepts everything during meetings and does not contribute to discussions at all. 5. I found his phone number in the directory and tried to telephone him last night, but there was no reply. Later I found I dialed the wrong number. cautionis passivecall/ring him up6

5、. I dont think of my hometown very much, only sometimes.7. Luckily the rainfall stopped suddenly before I left. 8. In a courtroom it is sometimes difficult to recognize who is innocent and who is guilty.now and thenabruptlydistinguish3 Complete the passage using the correct form of the words or phra

6、se below. file abruptly valid product seize perfume criterion set about When I first applied for a patent I was very puzzled by the _. I had produced a new type of lily. I was amazed when my application was _ refused. The patent officer dealing with my _ explained to me that a new plant variety is n

7、ot a _ invention as it is a result of adjusting growth scientifically. criteriaabruptlyfilevalidHowever, she suggested that I should produce a _ from my new lily. With her encouragement, I decided to _ the opportunity to make a real invention, so I _ my studies on developing my _, for which I hope I

8、 will succeed in applying for a patent. set about seizeperfumeproductUsing words and expressions set out= to begin to do sth; to make plans to do sth set down= to write about sth set up = to build set off= to begin a journey; to set fire to set aside= to cancel; to ignore set about= to start doing s

9、th; to deal with sth in a particular wayWorkbook P63Answer key for Ex. 11 set aside 2 set out 3 set down 4 set off 5 set up 6 set about 7 set offAnswer key for Ex.2 tap, dots, wire, practical, invaluable, competence, personnel, dynamic, stableExercise 3A: Hello. Can you put me through to _ 256, plea

10、se?B: _, Im putting you through.A: Hello, Serena. I was expecting you to _ me _ yesterday.C: Im sorry. I tried but your phonw was _ and I couldnt _.A: oh dear! Im sorry about that. I didnt realize that.C: And Im rather busy now. would you mind if I _ you _ later? Ill _ now.A: Not at all. Ill be waiting for your call.extensionHang on ring/call up out of order get through call back ring offKeys in P65Workbook amusing amused confusing confused surprised surprising in