题目

听下面一段对话，回答问题。 （1） What can he do? A . He can speak English. B . He can swim. C . He can play chess and he can swim. （2） How many clubs do they have? A . Two. B . Five. C . Four. （3） What club does he join? A . The art club. B . The swimming club. C . The chess club. 答案：C B C10．关于x的方程22x-（m-1）2x+2=0在x∈[0，2]时有唯一解，求m取值范围．