问题 问答题 简答题

怎样进行离子交换器中树脂的检查与验收?

答案

参考答案:

对于装填在离子交换器里的各种树脂,也必须作全面检查和验收工作。应核对树脂上标出的产品名称、型号、规格和性能,如发现质量不符合规定时,应重新自两个包装桶中选取两倍量的试样进行复验。复验结果如仍未达到要求,则认为该批产品不合格。由于各种离子交换树脂里都含有一定量的水分,因此无论在运输中,还是在保管中,均应维持树脂温度在5℃以上,以防冻坏。

完形填空

(4)完形填空

An earthquake hit Kashmir on Oct. 8, 2005. it took some 75,000 lives, __21_  130,000 and left nearly 3.5 million without food, jobs or homes. __22__ overnight, scores of tent villages bloomed across the region, tended by international aid organizations, military __23__ and aid groups working day and night to shelter the survivors before winter set in.

Mercifully, the season was mild. But with the __24__ of spring the refugees(难民) will be moved again. Camps that _25__ health care, food and shelter for 150,000 survivors have begun to close as they were __26_  intended to be permanent.

For most of the refugees, the thought of going back brings __27__ emotions. The past six months have been difficult. Families of as  many as 10 people have had to shelter under a single tent and share cookstoves and bathing __28__ with neighbors. “They are looking forward to the clean water of their rivers,” officials say. “They are dreaming of free fresh fruit. They want to get back to their herds and start farming again.” But most will be returning to __29__ but heaps of ruins. In many villages, electrical line have not been repaired, nor have roads. Aid workers __30__ that it will take years to rebuild what the earthquake took away. And for the thousands of survivors, the recovery will never be complete.

Yet the survivors have to start somewhere. New homes can be built onto the stones, bricks and beams of old ones. Spring is coming and it is a good time to start again.

21.   A) injured     B) ruined           C) destroyed         D) damaged

22.   A) Altogether   B) Almost           C) Scarcely          D) Surely

23.   A) ranks      B) equipment        C) personnel         D) installations

24.   A) falling     B) emergence      C) arrival             D) appearing

25.   A) strengthened    B) aided       C) transferred         D) provided

26.   A) never          B) once       C) ever                D) yet

27.   A) puzzled        B) contrasted   C) doubled             D) mixed

28.   A) facilities     B) instruments    C) implements          D) appliances

29.   A) anything         B) something      C) everything        D) nothing

30.   A) account          B) measure        C) estimate          D) value

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