听下面一段对话，回答第8至第10题。 What problem does Tom have
A. He has no license to drive a car.
B. He is too busy to go swimming.
C. He can’t find the sports center.
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听下面一段独白，回答第17至第20题。 How does the speaker view the English lessons here in schools
A. They are not special.
B. They are not enough.
C. They are not interesting.
AFB1在体内经代谢后的增毒产物是（）
AFP1、AFQ1、AFH1
B. AFM1、AFB1-2，3环氧化物
C. AFB1-2，3环氧化物
D. AFP1
E. AFM1、AFQ1、AFH1
AFB1在体内代谢后的解毒产物是（）
AFP1、AFQ1、AFH1
B. AFM1、AFB1-2，3环氧化物
C. AFB1-2，3环氧化物
D. AFP1
E. AFM1、AFQ1、AFH1
听下面一段对话，回答第13至第16题。 What did the study in Britain find out
A. More children make friends on the Internet.
B. More children think friendship is important.
C. More children say they have no best friend.
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