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【简答题】
发光强度为1cd的各向同性的点光源在整个球空间所发出的总光通量为( )lm。(小数点后保留3位)
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举一反三
【单选题】引起肾前性急性肾功能衰竭的病因是
A.
急性肾炎
B.
肾血栓形成
C.
休克
D.
汞中毒
E.
尿路梗阻
【简答题】Tell whether the following statements are True or False according to the texts. (     )1. William Shakespeare was an English writer of plays and poetry. (     )2. It was Louis Braille who developed th...
【判断题】电势高的地方电场强度不一定大。
A.
正确
B.
错误
【单选题】引起肾前性急性肾功能衰竭的病因是
A.
急性肾炎
B.
肾血栓形成
C.
休克早期
D.
汞中毒
【简答题】读某地地震波速度随深度的变化图,回答1—3题。 1、该地莫霍界面大约位于 [     ] A、5千米处 B、17千米处 C、33千米处 D、2900千米处 2、该地可能位于 [     ] A、中国北方 B、中国西南 C、南极点 D、太平洋中部 3、关于图中表示的地震波及判断理由,都正确的是 [     ] A、横波,传播速度较慢 B、纵波,传播速度较慢 C、纵波,传播速度较快 D、横波,传播速度...
【判断题】电势较高的地方,电场强度也一定较大。
A.
正确
B.
错误
【单选题】根据《物权法》的规定,下列财产中,不得用于抵押的是( )。
A.
抵押人所有的机器
B.
抵押人依法有权处分的国有土地使用权
C.
股份有限公司的厂房
D.
被依法扣押的财产
【单选题】Which of the following is true?
A.
We use all the words, phrases and quotations from Shakespeare's writings.
B.
Shakespeare's writings have become the property of those who are learning to speak English.
C.
It is likely to be true that people often do not know the origin of the words they use.
D.
All the words people use are taken from Shakespeare's writings.
【单选题】关于图中表示的地震波及判断理由都正确的是()
A.
横波传播速度较慢
B.
纵波传播速度较慢
C.
纵波传播速度较快
D.
横波传播速度较快
【单选题】Which of the following is TRUE?
A.
We use all the words, phrases and quotations from Shakespeare's writings.
B.
Shakespeare's writings have become the property of those who are learning to speak English.
C.
It is likely to be true that people often do not know the origin of the words they use.
D.
All the words people use are taken from Shakespeare's writings.
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