题目

--Jima new phone?-- Yes. He likes it very much. A . Does; has B . Do; have C . Does; have D . Does; like 答案：C“O2”表示氧气，还可以表示：（　　）①氧元素；②一个氧分子；③二个氧元素；④氧气是由氧元素组成；⑤每个氧分子由两个氧原子构成；⑥二个氧原子．A．①②③B．②④⑤C．①④⑥D．②④⑥