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【单选题】
一般成人正常的尿比重是
A.
1.010~1.012
B.
1.015~1.025
C.
1.020~1.030
D.
1.030~1.035
E.
1.035~1.045
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参考答案:
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【简答题】IEEE 802.11 标准支持哪几种类型的无线网络拓扑?
【简答题】IEEE 802.11标准支持哪几种类型的无线网络拓扑?
【简答题】股骨大转子与小转子之间前方为()
【单选题】What do you often do with your friends?
A.
I like them very much.
B.
We often play together.
C.
They are my good friends.
【单选题】What do you often do after dinner?
A.
Take a bath.
B.
Go to sleep.
C.
Watch TV.
【多选题】What do you often do in the library?
A.
We often read books.
B.
We often borrow books from the library.
C.
We often have meetings here.
D.
We often sing and dance here.
【单选题】What do you often do with your family?
A.
Go to see a movie.
B.
Go to the toilet.
C.
Copy my homework.
【单选题】下列 哪种方式不是 HIV 传播的主要途径为( )。
A.
飞沫传播
B.
性接触
C.
垂直或母婴传播
D.
血液制品
【简答题】现有溶质质量分数为98%、密度为1.84kg·L -1 的浓硫酸,若用其配制1.0mol·L -1 的稀硫酸250ml。回答下列问题: (1)需要98%的浓硫酸 ml(计算保留两位小数)。 (2)配制时,要用到的玻璃仪器除量筒、烧杯、玻璃棒外,还需 。
【简答题】股骨大转子与小转子之间前方为 ,后方为
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