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 河南成教 / 无机化学(含实验)
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26[单选题]
N2O4分子的颜色是---------------------------------------------------------------------------------(   )


A.黄色

B.棕色


C.绿色


D.无色


 参考答案:
 佳题速递:
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  • 在新民主主义向社会主义过渡时期进行的社会主义改造包括() 中国近现代史纲要
  • 2[阅读题]     Women are terrible shoppers. They spend a lot of time shopping and they only buy a few things. My wife is one of them. Sometimes she shops all day and she doesn't buy anything. She tries on clothes all day and then doesn't bring anything home. This seems mad!    She's too fussy. She only likes a few colors. Her favorite colors are blue, green and yellow. She doesn't like red and pink. They are too bright and they don't suit her. And brown and gray aren't bright enough. Oh, she's fussy!    This week,my wife bought herself a fur coat,and a ready-made suit dress, that is to say, a coat and a skirt. She wants to find a silk blouse to match them. She'd like to buy a hat,too.  In this way, she says,she will be in the very latest fashion. It seems that the suit she bought three weeks ago is already out of date.6. Women are terrible shoppers because they ______.              A. buy too many things at one time B. go shopping every dayC. do a lot of shopping but buy little D. care little about prices7. The author's wife is __________.                             A. mad about colors                         B. blind to colorsC. fuzzy about colors                       D. fond of bright colors8. The author's wife bought _______this week.                           A. a silk blouse                            B. a hat       C. a suit                                         D. a fur coat and a skirt9. The author's wife always buys more because_________.           A. she is keen on the latest fashionB. she is fuzzy about changing colors of her dressC. she always finds her dress uncomfortableD. she tries to look younger than her age10. The author thinks his wife is anything but a _____ shopper.       A. crazy                                           B. fussyC. terrible                                        D. reasonable 英语 C(二)
  • 2[单选题] 煤中硫含量一般约有()。 A.1~10% B.01~1% C.001~1% D.01~10%%煤化工工艺学
  • 初等数论