英语答案

21-23 CDA 24-27 ABAA 28-31 CBAB

32-35 AADB 36-40 AGEFC 41-45 CBBCB 46-50 CDBDA 51-55 CBBBA 56-60 DADDB 61-65 CDBDB 66-70 CADBA

71.hear 72. when 73.yes 74.before 75.taken 76. making 77.off 78.nothing 79.easy 80. to work 81.cartoons 82.announces 83.suspects 84.arranged 85.experiments 86.face the challenge 87. is divided roughly into 88.most familiar with 89.worthwhile to praise

90.take great pleasure in

改错：

第一行：too--so bei/ng

第二行：student –students choose --chose

第三行：them--it

第四行：his--whose

第五行：worry—worried advices--advice

第六行：replying—replied

第七行：because o/f