______ all day, he was terribly hungry.

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问题选择题

A．Having not eaten

B．Eating nothing

C．Not having eaten

D．Nothing having eaten

答案

答案：C

单项选择题 A2型题

女，2岁。身材矮小，刚会扶站，不会认人。眼距宽、鼻梁低，皮肤细嫩，胸骨左缘3～4肋间可闻及2级收缩期杂音。为明确诊断，首选的检查是（）

A.甲状腺功能测定

B.尿2，4-二硝基苯肼试验

C.超声心动图

D.心电图

E.染色体核型分析

选择题

My family went on a _________ trip last month.

A. two weeks B. two-week C. two-weeks