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问题 单项选择题 A1型题

哪种类型的二氧化硅致纤维化作用最强（）

A.游离二氧化硅

B.结合二氧化硅

C.结晶型游离二氧化硅

D.隐晶型游离二氧化硅

E.无定型游离二氧化硅

答案

参考答案：C

完形填空

B

She went back to China to study journalism at Peking University. She is also 45 ________________ a sports program about the 2008 Beijing Olympics. She even hopes to 46 _______________ table tennis in the special 47 _______________ for disabled people in 2008 .She tells people that she likes to think about positive things and stay optimistic. She believes that keeping busy helps her to stay 48 _______________.
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填空题

若有函数fun(x,y)，并且已经使函数指针变量p指向函数fun，则使用p调用函数fun的方法是______。
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