题目

下列说法中正确的是（   ）   A.是一个无理数   B.函数y=的自变量的取值范围是x﹥-1   C.若点P（2，a）和点Q（b,-3）关于x轴对称，则a-b的值为-1 D．-8的立方根是2  答案：C解析:略 A．He is very kind and humorous．B．Would you like some cakes?C．What would you like?D．You know Sandy is quite popular among the students．E．I’d like something salty．F．You mean the man with glasses?G．I am not hungry．A：It’s hard to believe there are so many people here．B：Yes．（56）______A：Who’s that man over there?B：（57）________A：Yes．Is he Sandy’s father?B：No，he’s Sandy’s teacher．（58）_______．A：And the room is very big and clean，and the music sounds good，too．B：I agree．（59）_______ I’m a little hungry．A：No，thanks．（60）______ Give me some chips，please．B：OK．Here you are．A：Thanks．小题1:_________ 小题2:_________ 小题3:_________ 小题4:_________ 小题5:_________