不定项选择

砖墙砌筑时，摆砖撂底的目的是使每层砖的砖块排列和灰缝均匀，组砌得当。

A．错误
B．正确

你可能感兴趣的试题

单项选择题

静态方法只能直接访问静态成员变量，非静态方法绝对不能访问静态成员变量
A、正确
B、错误

多项选择题

In order to avoid plagiarism, we should do the following. （） A. Keep a list of all the sources of the literature you have read. B. Note down sources just in case, even if you’re not sure you’ll use them. C. We should quote and cite correctly. D. We usually follow a consistent citation style (e.g. APA, MLA, Chicago.) in order to cite the original source correctly.