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问题
判断题
办理电话闭塞时,列车到达,补机返回,均应发出电话记录号码。
答案
参考答案:对
选择题
— English has a large vocabulary, hasn't it?
— Yes. _____ more words and expressions, and you will find it easier to read and communicate.
A. Mastering
B. To master
C. Master
D. Having mastered
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填空题
()是以生机蓬勃,发育迅速的客观存在为基础,成为生理特点的理论依据之一。
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