发动机反推系统有锁定功能的反推平移罩液压作动器是：（）A、上液压作动器 B、中液压作动

A 70-year-old client with a diagnosis of left-sided cerebrovaseular accident is admitted to the facility. To prevent the development of disuse osteoporosis, which of the following objectives is most appropriate（）

A. Maintaining protein levels.

B. Maintaining vitamin levels.

C. Promoting weight-bearing exercises.

D. Promoting range-of-motion (ROM) exercises.

地高辛与洋地黄毒苷比较

A．结构中C12位、C14位各有一羟基，极性略高

B．原形经肾排泄略多

C．口服吸收稳定完全，生物利用度高

D．肝内代谢转化较少

E．半衰期较长

关于房水的描述错误的是

A．充满于角膜与晶状体之间的腔隙中

B．其循环途径是：后房一瞳孔一虹膜角膜角一前房一巩膜静脉窦

C．最后汇入眼静脉

D．虹膜角膜角的大小可影响其回流的速率

E．有维持眼内压的作用

根据汉语提示，完成下列句子（每空一词）。

1. It’s reported that over 1,000 people in the US have _______ _______ (死于) the H1N1 flu virus.

2. He didn’t catch the bus and _______ _______ _______ (结果), he was late for

school.

3. _______ _______ _______ (换句话说), none of us can go to the movie.

4. He has _______ _______ (查看) a lot of information about smoking.

5. When we breathe in others’ smoke, we can get diseases _______ _______ (也).

发动机连杆轴承轴向间隙使用极限为（）mm。

A、0.40

B、0.50

C、0.30

D、0.60