Unit 1Section AI．1. buildings 2. Everything 3. fewer 4. robots 5. less 6. pollutionII. 1~6 BBCACCIII. 1. went to college 2. will be 3. There will be 4. live to ; don’t agree 5. big and crowdedIV. 1.Will there be; Yes；will 2. won’t be 3. Will ; read 4. Where will5.didn’t play6. Was sheSection BI.1. space 2. fly 3. alone 4. myself 5. probablyII. 1~5 ACBAC 6~7 CBIII. 1. gets 2. trying 3. Shall; go 4. will phone 5. will be 6. tookIV. 1. fell in love with 2. with a garden 3. are able to 4. go swimming 5. in ten years Self CheckI. 1~ 5 CBBAA 6-7 ABII. 1. was 2. will be 3. to keep 4. myself 5. will flyIII. 1.came true 2. predict the future 3. no sound 4. wear suits 5. for vacationIV. 1. on 2. won’t 3. have 4. take 5. moreReadingI.1~ 5 BACBC 6-8 BAAII. 1. unpleasant 2. scientist 3. impossible 4. everywhere 5. simpleIII. 1. hundreds 2. bored 3. scientists 4. disagree 5. impossibleⅣ. 1. don’t think; will 2. will come 3. What will；be 4. It’s; to predict 5. What doⅤ. 1~ 5 ACABA 6-10BAABAⅥ. 1~ 6 TFTFFTⅦ. One possible versionMy futureIn twenty years, I think I will be a police officer. I will be a tall and strong man with short hair. I will live in Shanghai, because I think it is a beautiful city and I like it very much. I will live in a big apartment with my family. I will have two children, and I will play with them onthe weekends. I will go swimming and play basketball every day because I think doing sports is good for our health.Unit 2Section AI. 1~5 ABBCB 6~9 ACBBII. 1.wrong 2. argue 3. ticket 4. loud 5. eitherIII. 1. argued with 2. ask; for 3. pay for 4. get a tutor 5. on the phone 6. was surprisedcall; upIV. 1. to drink 2. say 3. to buy 4.playing 5. writeV. 1. What’s; wrong 2. buy; for 3. have enough; to buy4. give; ticket to5. get a part-time jobSection BI. 1~5 ACBCBII. 1. except 2. style 3. same 4. original 5. upsetIII. 1. colorful 2. more comfortable 3. planning 4. to doIV. 1~5 DCAEBSelf CheckI. 1~5 CACBC 6~8 BAAII. 1. brother’s 2. to return 3. live 4. easily 5. is playingIII. 1. shouldn’t tell 2. doesn’t have 3. What; do 4. How do 5. When; did; borrowReadingⅠ. 1~5 CAAAA 6~8 BACⅡ. 1. get on well with 2. as much as possible 3. compare; with 4. complains about5. take part inⅢ. 1. What should; say 2. what to do 3. the matter 4. didn’t; before\ until 5. more popular6. different from7. the same; asⅣ. 1~5 EBADGⅤ. 1~5 CACCCⅥ. 略Unit 3Section AⅠ. 1~5 BCBAB 6~8 ACAⅡ. 1. bathroom 2. kitchen 3. bought 4. imagine 5. landedⅢ. 1. took 2. was visiting 3. amazed 4. to see 5. kiddingⅣ. 1. What was; doing 2. did; visit 3. What an unusual 4. What were; doing5. When did; leaveSection BⅠ. 1~5 CCAAB 6~9 CCCBⅡ.1. anywhere 2. jump 3. shout 4. ride 5. happened 6. climbⅢ. 1. How quickly 2. when 3. What; doing 4. What did; do 5. were swimmingSelf CheckⅠ. 1~5 CBABCⅡ. 1. swimming 2. to come 3. is talking 4. will; leave 5. to getⅢ. 1. took; photos 2. climb the hill 3. was cooking; rang 4. strange; in front ofReadingⅠ. 1~5 BBBBC 6~9 CBBAⅡ. 1. plane 2. hero 3. close 4. bright 5. playgroundⅢ. 1. flight 2. silence 3. rang 4. heroes 5. was shoppingⅣ. 1~5 ACBAC 6~10 ABCABⅤ. 1~5 CBCCCⅥ. One possible version：Mr. Zhang, Sally, Tom and Mrs.Wang live in the same building. At eight o’clock last night, the power was suddenly cut off. What were they doing at that time? Mr.Zhang was watching a basketball match on TV, then he had to listen to the radio later. Sally was playing the piano, and then she stopped to have a rest. Tom was doing some reading before he went to bed later. Mrs. Wang was in the lift，so she couldn’t get out.How unlucky she was !Unit 4Section AⅠ. 1.be mad at 2. first of all 3. not …anymore 4. be supposed to 5. pass on 6. work onⅡ.1~6 BACBBBⅢ.1. are supposed to 2. going to have 3. not; any more 4. bring some presents/ giftsⅣ.1. she wanted 2. he would; me 3. I can 4. she wentSection BI. 1. do well in 2. be in good health 3. have a cold 4. be surprised to findII. 1~5 BCCAA 6~7 CBIII. 1. better 2. Luckily 3. really 4. health 5. surprisedIV. 1.do better in 2. was hard-working 3. had a cold 4. in good health 5. is it goingSelf CheckI. 1~5 ACABB 6~8AABII. 1. for; to copy 2. had a fight 3. get over 4. what was happening 5. forgot to closeReadingI. 1~5 ACCAC 6~8BAAII. 1. At first; made; feel sick 2. Both; and; as volunteers 3. difference between 4. open up5. good start in life6. agreed with; decisionIII. 1. First of all 2.open up 3. passed on 4. is in good health 5.get overIV. 1. she wasn’t ; me 2. Did; read 3. don’t think; is 4. if/ whether; fed 5. What did sayV. 1~5 CBCAC 6~10 ABAACVI. 1~5CACCAⅦ. One possible version：Dear John,Things are fine here. I finished my mid-term exams last week, and I got my report card today.I got a good result in math. My math teacher said I was hard-working. I like Chinese and my Chinese teacher said I was good at Writing. My English teacher said I did well in listening, which is true. I do a lot of listening practice after class. I got a disappointing result in physics. My physics teacher said I could do better.What about you? Write to me soon.Yours,DavidUnit5Section AI. 1~5 BBCBC 6~7 BCII. 1. Will wear 2. What will; do 3. I would 4. If ; don’t 5. go to; by busIII. 1~4 CDABSection BI. 1. make money 2. travel around the world 3. make a living 4. all the time 5. go to college6. join a basketball teamII. 1~5 BACBA 6~8 ACAIII. 1. thinner 2.dangerous 3. was happening 4. themselves 5. not to beIV. 1. made a living 2. travel around the world 3. got injured 4. all the time 5. go to college6. make a lot of moneySelf CheckI. 1~5 BBCAC 6~10BACBCII. 1. famous for 2. If; don’t; be 3. don’t ; will 4. How soon will 5. told; not to 6. enjoyed themselves 7. What do; complainIII. 1~5 BEAGDIV. 1~5 BCACB 6~10 CBACCV. 1~5 BCBBAⅥ. 略Unit 6Section AI. 1~5 ABBCBII. 1. When did , start 2. How long has 3. has been running 4. have learned,since5. How long haveIII. 1. has been skating 2. did, get 3. began 4. to get 5. have been readingIV. 1. How long, been watching 2. to get to 3. since I was 4. have been stayingSection B1. collect stamps2. in fact3. run out of4. by the way5. fly a kite6. three and a half years/three years and a halfII. 1. kite 2. about 3. raise 4. stamps 5. saveIII. 1~6 BCBBACIV. 1. have been playing 2. interesting 3.ninth 4. bought, did, buy 5. the most importantSelf CheckI. 1~5 BCACA 6~10 CCBBBII. 1. interested 2. to find 3.listening 4. washing 5. sendingIII. 1~5 CEADBReadingI. 1~5 BBBAB 6~10 CCCAC 11~14 BCACII. 1. capital 2. miss 3. foriegner 4. thousand 5. trueIII. 1. What is 2. How long have 3. When did start 4. What great fun 5. Why doIV. 1~5 CABCAV. 1~5 CCACB 6~10 BCABBVI. 略。