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1、Unit 11-7 Y Y N Y NG Y N8. have a feeling of direction9. contribute to10. Pay attention to1115 CDBAB 1620 CBBDC 2125 AACAB2630 DBBBA 3135 ABCDB36.invaded 37.emitting 38. corn 39. portion 40. releases 41. respond 42. nourish 43. specific 44. This explains how a wasp can find a caterpillar in a huge f
2、ield of corn. 45. By enhancing this natural response in plants, researchers might reduce, some day even eliminate, the need 46. or they might transplant specific genes to increase the release of the chemical signals.47-51 IJBGA 52-56 MKFCH57-61 CBDAB 62-66 BCDAC67-71 BADAC 72-76 CABBA 77-81 DCACD 82
3、-86 AABBCUnit 21-7 Y N N Y NG Y Y8. the brainwave patterns 9. rapid eye movement 10. 90 minutes 1115 BDBAD 1620 ABBDC 2125 DCADD2630 CBDAB 3135 BCADD36. unrelated 37. increasingly 38. helpless 39. solemn 40. swore 41. sense 42. abandoned 43. divorced 44. not necessarily because they love each other,
4、 but because they were stuck, and it was better to be stuck comfortably than otherwise . 45. some divorcees even argue that divorce is beneficial, educational, that the second or third marriage is “the best”, and the only reason left to marry is love. 46. In other respects, our rapidly-rising divorc
5、e rate and the declining marriage rate represents a loss .47-51 LFHAJ 52-56 EGKBN57-61 BAADC 62-66 CACDB67-71 DDBAC 72-76 ABCCB 77-81 CDABD 82-86 ACBACUnit 31-7 BCDAB CD 8. sunlight 9. toxins 10. foods such as liver, yeast and dairy products1115 CCABD 1620 BDACD 2125 CACAA2630 BACCD 3135 ADDBA36. ci
6、vilization 37.developed 38. probably 39. ancient 40. societies 41. roles 42. pattern 43. responsibilities 44. What is remarkable about the history of toys is not so much how they changed over the centuries but how much they have remained the same. 45. It is the universality of toys with regard to th
7、eir development in all parts of the world46. Variations depended on local customs and ways of life because toys imitate their surroundings. 47-51 BJDNE 52-56 OKLHM57-61 DCACB 62-66 DCBBD67-71 CABDA 72-76 DCCBA 77-81 ADBCB 82-86 DACBDUnit 41-7. Y Y N N Y N NG 8. 80,000,0009. split the ranks 10. 40%11
8、15 DADAB 1620 ABACA 2125 DCDCB2630 CDBBA 3135 DBABD36. refers 37. various 38. ruin 39. scattering 40. exhaust 41. disturbing 42. serious 43. survival 44. Pollution of the soil reduces the amount of land on which we can grow food45. Everyone wants to reduce pollution, but the pollution problem is as
9、complicated as it is serious46. For example, exhaust from automobiles causes a large percentage of all air pollution, but the automobile provides transportation for millions of people47-51 BLFGK 52-56 EMOIC57-61 CDABB 62-66 ACCBA 67-71 CCDBB 72-76 ACABA 77-81 CDADD 82-86 BCABBUnit 51-7. Y Y N Y N NG
10、 N 8. 528,431 9. liberalized 10. public charges1115 CBDCA 1620 BBBAB 2125 DBBDB2630 BCCCB 3135 DADBA36. terrible 37. expected 38. pressure 39. embarrassed 40. pretended 41. delighted 42. continued 43. illegally 44. Fortunately I was never stopped by the police and the next time I took my driving tes
11、t, I passed 45. Anyway, Id been thinking about learning to drive and I persuaded her to let me have a go.46. We were having such fun that we didnt notice the tide was coming in until the car was actually swimming in the water47-51 DFLJG 52-56 IHCMB57-61 ADDCA 62-66 BADCC67-71 CADAB 72-76 BCCAD 77-81
12、 DADBB 82-86 CDABCUnit 61-7. NY N Y Y N NG 8. protein 9. less important 10. beta carotene1115 DCDBD 1620 BABCB 2125 BCCDC2630 BACAD 3135 BBABD36. generally 37. characteristic 38. relaxation 39. scenic 40. refreshed 41. sessions 42. effective 43. nodding 44. If you set impossible goals for yourself y
13、ou can only be disappointed in your progress.45. this period can last for days or even weeks 46. like Chinese medicine, the effects of your study come slowly but surely 47-51 CHDEM 52-56 ANFGL57-61 CADDD 62-66 BDCCB 67-71 AAADC 72-76 BADCD 77-81 CBBCA 82-86 DCCBDUnit 71-7. N Y Y N N Y NG 8. failed to perform properly 9. the highest salaries 10. 1960s1115 DCAAD 1620 CCBCD 2125 BABDC2630 CDDBC 3135 BBCAB36. full 37. correct 38. Latin 39. chiefly 40. repetitions 41. analysis 42. reveals 43. frequently 44. Both lists consist, without exception, of native words. 45. words of the Bible a
