丙烯制冷压缩机紧急停车后，室内的应急处理方法正确的有（）。A、设定系统放火炬 B、停

单词拼写。

根据所给中文或首字母写出相应单词的正确形式（每格一词）。

1. He is complaining of all the flue usual flu __________（症状）- a high temperature headache

and so on.

2.Nowadays, more and more family problems __________（产生）from lack of communication.

3.Some of the material presented may not be __________（相关的）to you or your circumstances.

4.They supposed that their theories could explain conclusively the many natural __________（现象）.

5.We have so much work to do in our department, so the idea of laying off anybody from our

department is just __________（令人不可思议的）.

6.Nowadays an increasing number of people prefer to live in the country because they believe fresh

air is b__________ to their health.

7.With the flight d__________ by the storm, the passengers had to stay at the airport for the night.

8.We have every reason to believe that with proper measures taken, the current economic environment

will e__________ improve.

9.It’s t__________ of Bob to do a disappearing act just when there’s work to be done.

10.The drug, which is suspected of having serious side effects, has been w__________ from the market.

患者，男，50岁，急性肾衰少尿期，患者突然呼吸困难，头痛、头晕，软瘫，心律不齐，心动过缓，腹胀，应考虑（）。

A.高钾血症

B.酸中毒

C.水中毒

D.低钾血症

E.尿毒症

如图所示三套实验装置，分别回答下列问题。

（1）装置1为铁的吸氧腐蚀实验。一段时间后，向插入铁钉的玻璃筒内滴入NaOH溶液，即可观察到铁钉附近的溶液有沉淀，表明铁被________(填“氧化”或“还原”); 向插入石墨棒的玻璃筒内滴入酚酞溶液，可观察到石墨棒附近的溶液变红，该电极反应式为________________________________________________________________________。

（2）装置2中的石墨是________极(填“正”或“负”)，该装置发生的总反应的离子方程式为________________________________________________________________________。

（3）装置3中甲烧杯盛放100 mL 0.2 mol·L^－1的NaCl溶液，乙烧杯盛放100 mL 0.5 mol·L^－1的CuSO₄溶液。反应一段时间后，停止通电。向甲烧杯中滴入几滴酚酞，观察到石墨电极附近首先变红。

①电源的M端为________极；甲烧杯中铁电极的电极反应式为_________________。

②乙烧杯中电解反应的离子方程式为_________________________________。

③停止电解，取出Cu电极，洗涤、干燥、称量，电极增重0.64 g，甲烧杯中产生的气体标准状况下的体积为________mL。

下述实验设计能达到预期目的的是        [ ]

氨区设备系统运行时不准（），不准（）和（）等设备，检修时系统排放的残液应专门统一收集。