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问题 多项选择题

零件图的技术要求一般包括（）等内容。

A.加工表面的尺寸精度、形状精度和表面粗糙度

B.各加工表面的相互位置精度

C.零件的测量、安装要求

D.材料的力学性能、热处理要求及其它特殊要求

答案

参考答案：A, B, D

填空题

用划线词的反义词填空。

1. Bring your math book here and _____ away your exercise books.

2. I like short hair. I don't like _____ hair.

3. My shoes are too old. I want to buy _____ ones.

4. The store sells school things. You can _____ some coloured pencils there.

5. I think this book is very easy and that book is very _____.

6. Watching TV is too boring. But playing sports is very _____.

7. His first name is John and his _____ name is Green.

8. The shirt is too big for me. Give me a _____ one, please.

9. The blackboard is black. The words on it are _____.
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填空题

若已经定义int a=25,b=14,c=19；，以下三目运算符(：)所构成的语句的执行结果是 【9】 。
a++<=2&&b--＜=2&&c++ printf("***
a=%d，b=%d，c=%d\n"，a，b，C) ：printf("a=%d，b=%d，c=%d\n"，a，b，C) ；
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