测试1： 1. ABCCA 6.ABCBA 11.ABACB 16.CBCAB 21.ACACA 26. BCDBD 31. ADBCC
36. DBADC 41. BACDA 46. CBDAC 51. CBDCA
56.DCAB 59. CABCBD 66. ABDCD 71. CCBBC
76. To give tips on how to reduce the negative effects of smartphones
77.He got addicted to it
78. Fill your life with fun activities.
79. To set up a small obstacle to using the phone/To keep away from the phone.
80. so something had to change /How can I change it? /What should I do to solve the problem? 练习5：
1.B 2.B 3.B 4.A 5.D 6.B 7.A 8.B 9.B 10.C 11.A 12.B 13.B 14.C 15.B 16.C 17.D 18.C 19.A 20.C
1.Personally speaking, he is strict with us students in our study,but as a matter of
fact,he is very patient with us. 2.It is with his help that we have made great progress in english .
3.He has a stange way to make his classes lively and interesting.
4.He has been teaching us for 20 years.
5.He has made a deep impression on us.
6.What impresses/strikes me most is his teaching method. 7.Such is our english teacher, a warm-hearted and
unforttable person.
8.There is no doubt that he is more than a teacher; he is our close friend.