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【判断题】
材料的表观密度与材料的装填条件有关。A.
正确
B.
错误
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皮皮学刷刷变学霸
举一反三
【单选题】Tens years ago, there _____ full of fish in the lake .Now there are _____ fish .
A.
used to live; little
B.
had; a few
C.
were; many
D.
used to be; few
【简答题】超星期刊网址?
【单选题】设随机变量X的可能取值为0,1,2,3,相应的分布律为0.1,0.3,0.4,0.2,F(x)为其分布函数,则F(2)=( )
A.
0.2
B.
0.4
C.
0.8
D.
1
【单选题】According to the passage, the following statements are true EXCEPT ______.
A.
now there are two language systems, Kanji and katakana in Japan
B.
the word 'digital camera' appears very different in Japanese
C.
people are always confused by the young Japanese pronunciation of 'turtle' and 'camera'
D.
Foreign Words Committee is engaged in finding suitable Japanese replacements for the foreign words
【单选题】According to the passage, the following statements are true EXCEPT _____.
A.
now there are two language systems, kanji and katakana in Japan
B.
the word 'digital camera' appears very different in Japanese
C.
people are always confused by the young Japanese pronunciation of 'turtle' and 'camera'
D.
Foreign Words Committee is engaged in finding suitable Japanese replacements for the foreign words
【单选题】According to the passage, which of the following statements is true?
A.
Now there are fewer men fond of body art than before.
B.
The official statistics proved that body art gains popularity.
C.
All people who didn't think about having a tattoo then now have them.
D.
Skitch started to engage in body art about ten years ago.
【简答题】阅读理解。 Now there are many thousands of computers all around the world. Some of them are big and some of them are small. They are very useful . People can use them to send and get e-mails, look for ...
【单选题】传送速率单位“b/s”代表的意义是( )。
A.
Bytes per Second
B.
Bits per Second
C.
Baud per Second
D.
Billion per Second
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