一般来说，眼睛和口腔附近的肌肉群是面部表情最丰富的部分。

In the excerpt below, the word proximity means ___ . “O...

单项选择题In the excerpt below, the word proximity means ___ .

“One can hardly go wrong in regarding the ego as that part of the id which has been modified by its proximity to the external world and the influence that the latter has had on it …” (Paragraph 3)
A、probability
B、the state, quality or sense of being near; closeness
C、refusal
D、similarity

下列的进程状态变化中，可能发生的是（    ） A、运行→就绪  B、运行→等待  C、等待→运行 D、等待→...

多项选择题下列的进程状态变化中，可能发生的是（    ）
A、运行→就绪 
B、运行→等待 
C、等待→运行
D、等待→就绪
E、就绪→运行

往复泵和离心泵的流量均可以通过出口阀门调节。（   ） A、正确 B、错误

单项选择题往复泵和离心泵的流量均可以通过出口阀门调节。（   ）
A、正确
B、错误