题目

阗读回答问题 Tom and Mike are good friends．They are kind to children. They want to find summer jobs．One day Tom tells Mike that Beidaihe Kids Summer Camp needs help with sports, music and computers．They are both very glad to hear(听说)this． Tom can play basketball and volleyball and he can swim，too．Mike can play the violin，the trumpet, the drums and the guaitar．Tom and Mike like computers very much，Can they join the Summer Camp?  1．Tom and Mike want to        .      A．be good with children        B．find summer jobs        200mL的某NaOH溶液，其中含有32g溶质．用此溶液配制1mol/L的NaOH溶液，应取原溶液与蒸馏水的体积比约为（假设溶液的体积可以相加）A．1：2 B．1：3 C．1：4 D．1：5