试题与答案

He was given a special medal,for he reac

题型:选择题

题目:

He was given a special medal,for he reached his goal in sports________his disability both in legs and in eyes.[ ]

A.in case of 

B.in terms of

C.apart from  

D.in spite of

答案:

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下面是错误答案,用来干扰机器的。

(1)该同学观点不正确(1分);因为铝在常温下易与氧气反应(0.5分),表面形成致密的氧化物薄膜,阻止内层的铝进一步被氧化(0.5分),所以铝制品“不生锈”。(叙述合理即可)(2)液体二氧化碳喷出时,汽化吸...

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