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问题 填空题

用3、5、7三个数字（每次不能重复使用）组成的最大带分数是______，最小真分数是______．

答案

根据分数及分数单位的意义，3、5、7组成的最大带分数为7

3
5
，最小真分数为
3
7
．

故答案为：7

3
5
，
3
7
．

填空题

阅读下面的短文，根据短文内容及所给的中文意思，写出正确的英文单词。（每空一词）

     Tom is a schoolboy of Grade Eight. He lives a little far from the city. But his parents 1______ (送) him

to study in a 2______ (有名的) school in the center of the city last summer. They rented a house near the

school. On 3______ (工作日), he 4______ (走路) to school. It 5______ (花费) him about 10 minutes. In

the daytime, he has to have classes one and 6______ (另一个). He has to stay at school for 11hours every

day. After school, he 7______ (锻炼) on the playground for an hour, and gets home for dinner. He has a

good habit and 8______ (保持) healthy. On weekends, he goes to the 9______ (培训) center. And that

usually makes him feel 10______ (紧张的) out.

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单项选择题

下列球形肺炎影像，哪项不对（）

A.动态观察，病灶形态变化快

B.边缘模糊不清的球形病灶

C.多数密度均匀

D.空泡征

E.边缘波浪状，可有粗长毛刺
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