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【单选题】
在医学上等渗溶液的渗透浓度为A.
< 280 mmol/L
B.
280~320 mmol/L
C.
> 320 mmol/L
D.
280~320 mol/L
E.
< 280 mol/L
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【单选题】-Hello，may I speak to Mary，plrase? --__________ .
A.
No，hold on
B.
I’m mary
C.
This is Mary speaking
D.
Wait for
【简答题】DNS 的作用是 __ @font-face { font-family: 宋体;}@font-face { font-family: 宋体;}@font-face { font-family: "@宋体";}p.MsoNormal, li.MsoNormal, div.MsoNormal { margin: 0cm 0cm 0.0001pt; text-align: justify; fo...
【单选题】I’m used to ________ in the house which _______ to keep books and magazines.
A.
living; uses
B.
live; was used
C.
live; used
D.
living; was used
【单选题】I'm writing to()a position as a computer engineer in your company.
A.
thank for
B.
wait for
C.
apply for
【简答题】设当前工作目录中有两个数据库表：课程表（表名为KC）和成绩表(表名为CJ),它们均属于数据库JXSJ。课程表包含课程代码(字段名为KCDM)和课程名称（字段名为KCMC）等字段,成绩表包含学生选修的课程代码(字段名为KCDM)和成绩（字段名为CJ,数据类型为数值型）等字段。如果要查询每门课程的最高成绩,可用下列SELECT-SQL命令： SELECT Kc.kcdm AS 课程代码,Kc.k...
【单选题】听力原文：M: I'm going to Hong Kong and Singapore next month. W: Oh, really? How nice! I was in Hong Kong last year and I eally enjoyed it. M: And what about Singapore? W: Well, it's smaller, and much less...
A.
It's much better than Hong Kong.
B.
It's smaller than Hong Kong but more crowded.
C.
It has better shops and stores than Hong Kong.
D.
It's cleaner and much less crowded than Hong Kong.
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