药品标准的涵义是( ) A．国家对药品质量、规格和检验方法所做的技术规定 B．是药

用所给动词的适当形式填空。

1. When someone ______(give) you a present, you must open it at once.

2. Chinese eat lots of ______(dumpling) at Spring Festival.

3. Can you ______(finish) ______(do) the work?

4. It's impossible ______(understand) what you are trying ______(say).

5. I could see the smoke ______(rise) from the chimney (烟囱)when I ______(walk) past your

    house at t   his time yesterday.

6. On _____way to school , Jim saw the man fall off his bike .(he)

7. My father likes ______very much .(fish)

为什么说民族团结是各项社会事业发展的重要保障？

钻井液为了防止CO₂腐蚀通常把pH值控制在（）以上。

A、7.5

B、8.5

C、9.5

D、10.5

肾上腺皮质功能不足的患者，排除水分的能力大为减弱，可出现"水中毒"，补充下列哪种激素可缓解症状

A．胰岛素

B．糖皮质激素

C．醛固酮

D．肾上腺素

E．胰高血糖素

（）

A．

B．

C．

D．