题目内容

放置宫内节育器术,正确的随访复查时间是

A. 术后每月复查一次,以后每年复查两次
B. 术后1个月,3个月,6个月各复查一次,以后每两年复查一次
C. 术后每半年复查一次
D. 术后每年复查一次
E. 术后一个月,三个月,半年,一年各复查一次,以后每年复查一次

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B.Complete the sentences with words from Exercises A. You can change the form if necessary.1. Four hundred dollars has been _____ to the school book fund.2. The dinner is a(n) _ event for the museum.3. They opened a(n) _ to provide temporary housing for the city’s homeless.4. I don’t like _ tomatoes.5. As a(n) _ on the childcare project, I really saw life.6. I think it’s important to _ local businesses by buying locally.7. He has been _ in a car accident.8. I’ve just joined the _____ tennis club.

当孔隙中没有水时，称为（）。

A. 湿土
B. 干土
C. 饱和土
D. 非饱和土

划分粒组的分界尺寸称为（）。

A. 粒径
B. 界限粒径
C. 界限尺寸

颗粒级配曲线平缓，表示（）。

A. 级配良好
B. 级配不良