Do you know a spaceship flies at about nineteen kilometers second ?A．theB．a - 初中英语试题 - 超级试练试题库

题目

题型：不详难度：来源：

Do you know a spaceship flies at about nineteen kilometers second ?

A．the

B．a

C．/

D．an

答案

解析

试题分析：句意：你知道吗宇宙飞船飞行速度是每秒大约19千米？不定冠词用在事物的"单位"前,如时间、速度、价格等意义的名词之前,表示 "每一"；元音因素前用a,辅音因素前用an.故选B。

核心考点

试题【Do you know a spaceship flies at about nineteen kilometers second ?A．theB．a】；主要考察你对不定冠词等知识点的理解。[详细]

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