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【单选题】
一般成年人,肾小球的滤过分数约为A.
10%
B.
40%
C.
20%
D.
50%
E.
30%
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【单选题】We now know that about all the kinds of seaweed are animals.
A.
one fourth
B.
one fourth of
C.
one four of
D.
the one fourth
【单选题】What does the passage say about teenage boys and girls?
A.
Only one out of four girls cries less often than boys.
B.
Of four boys, only one cries very often.
C.
Girls cry four times as often as boys.
D.
Only one out of four babies doesn't cry often.
【简答题】在Linux系统中用来切换工作目录的命令是()。
【简答题】The one-child policy has been carried out for about 20 years .Most Chinese families have only one child. By the year 2008,the number of only children in China had already been 330 million ,which was a...
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