执行下列程序后, 变量a的值应为().f1(float x){return x+1.3;}main(){float a;a=f1(2.4);}
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Rewrite the following sentences using it.For example:That they are in need of help is quite clear.→ It is quite clear that they are in need of help.1. To finish so much work in one hour is impossible for me.→2. To ride a bicycle is not easy for such a little boy.
1. Listen to the dialogue and choose the information you hear.
A. Derek can speak Chinese very well.
B. Zhang Li often practises English with her language pal.
根据管材的不同,管路有不同的腐蚀形态,下面是局部腐蚀的是( )。
A. 整个表面腐蚀深度比较一致。
B. 表面腐蚀深度不一致,呈斑点状态
C. 腐蚀集中在较小范围,腐蚀深度较大。
D. 在金属表面沿各晶体表面产生的腐蚀。