测量温度时，温度计放进溶液中，应立即读数

根据1982年宪法的规定,我国的国家性质是( )A. 社会主义制度B. 人民代表大会制度C. 人民民主专...

单项选择题根据1982年宪法的规定,我国的国家性质是( ) A.
社会主义制度 B.
人民代表大会制度 C.
人民民主专政 D.
无产阶段专政

During calls home every two weeks, my mother pleaded wi...

单项选择题During calls home every two weeks, my mother pleaded with me to take chemistry or biology. A.
When I made phone calls home every two weeks, my mother urged me to major in chemistry or biology. B.
In the telephone conversations I had with my mother every two weeks, she encouraged me to switch from chemistry to biology. C.
When I made phone calls home every two weeks, my mother urged me not to major in chemistry or biology. D.
In the telephone conversations I had with my mother every two weeks, she encouraged me to abandon chemistry to biology.

在桥面连续处的桥面铺装顶层和底层都要增加一层直径为(    )，间距为(    )mm ...

单项选择题在桥面连续处的桥面铺装顶层和底层都要增加一层直径为(    )，间距为(    )mm A.
向连接铜筋。 B.
ø6、5 C.
ø 6、10 D.
ø 8、5 E.
ø 8、10