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问题 填空题

用一个放大100倍的放大镜看一个30°的角，看到的角的度数是______，这个角是______．

答案

用一个放大100倍的放大镜看一个30°的角，看到的角的度数仍然是30°．因为小于90度的角是锐角，所以这个角是锐角．

故答案为：30度；锐角．

单项选择题

已有定义：char c;，程序前面已在命令行中包含ctype.h文件。不能用于判断c中的字符是否为大写字母的表达式是( )。

A．isupper(

B．'A'＜=c＜='Z'

C．'A'＜=c&&c＜='Z'

D．c＜=('z'-32)&&('a'-32)＜=c
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听力题

根据短文内容和中文提示补全短文，每空一词。

My name is Sarah, I want to share my story with you today. In my younger years, I always ate 小题1:   (每件事物) I liked and I never  小题2: （变得，成为）fat. Last year, I was too  小题3: (忙) to do sports and  小题4:(开始) many bad habits. So I got fatter and fatter, and I didn’t feel very well. What’s  小题5:(错误的,有毛病的) with me? My 小题6:(丈夫) thinks those bad habits are not good for my health. So I decide to do something to keep healthy. At first, I try to eat healthy food , then I often  小题7:(攀登，爬) mountains on weekends. Now I am 小题8: (瘦) again, and I also have a  小题9:(机会) to have good habits. I am so  小题10:(幸运的).
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