Question

【题目】The lady took________X－ray and she showed________X－ray to the doctor．

A．a；the

B．an；the

C．a；a

D．an；an

Answer 1

【答案】B

【解析】X－ray是以元音音素开头的词，其前的不定冠词要用an，先排除A和C；当第二次提到“X射线”时要用定冠词the，故答案为B。