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【单选题】
可作为W/O型乳剂的乳化剂的是()A.
一价肥皂
B.
聚山梨酯类
C.
脂肪酸山梨坦
D.
阿拉伯胶
E.
三乙醇胺皂
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举一反三
【简答题】将十进制数( 30) 10 转化成二进制数为 ____________ ,若转化成八进制数为____________。
【简答题】Part B Below is a graph showing changes in the age profile of the Internet users in China between 2003 and 2004. Write an essay of about 120 words that conveys the information in the graph.
【单选题】The ad is mainly intended to .
A.
encourage the British to travel in China
B.
attract the British to traditional Chinese food
C.
offer service of booking air tickets to tourists
D.
provide the British with a better understanding of China.
【单选题】What is the interview about?
A.
Online education in China.
B.
Digital gap in China.
C.
Good courseware in China.
D.
Credible exams in China.
【简答题】将35十进制数转化成二进制数为 。）
【简答题】A．Tokyo in Japan. B．Beijing in China. C．Shanghai in China. D．Seoul in South Korea.
【简答题】A．Tokyo in Japan. B．Beijing in China. C．Shanghai in China. D．Seoul in South Korea.
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