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【简答题】
现有下列7种物质:BrF 5 ,CO 2 ,PCl 3 ,OF 2 ,HCHO,H 3 O + ,SF 4 ;____分子中有π键,又是极性分子的是____;____中心原子以sp 3 杂化轨道成键,分子或离子的空间几何构型为V形的是____;____中心原子以sp 3 d杂化轨道成键,分子或离子的空间几何构型为变形四面体的是____;____中心原子价层电子对空间分布为八面体构型,分子或离子的空间几何构型为四方锥的是____。
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参考答案：
举一反三
【单选题】Listen to the following dialogue on online shopping. Q: Has the woman experienced difficulty by shopping online?
A.
She has never shopped online.
B.
She has paid no attention to the known risk of online shopping.
C.
Yes, she has.
D.
No, because she would no longer shop online.
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【单选题】What does Angela think of online shopping?
A.
Online shopping means  cheap  for her.
B.
Online shopping means  convenience  for her.
C.
Online shopping means  expensive  for her.
D.
Online shopping means  inconvenience  for her.
查看完整题目与答案
【单选题】下列物质中,既能与溴水反应又能与三氯化铁发生显色反应的是
A.
苯酚
B.
苄醇
C.
乙醚
D.
甘油
查看完整题目与答案
【单选题】下列物质中,既能与溴水反应又能与三氯化铁发生显色反应的是( )
A.
甲苯
B.
苄醇
C.
苯酚
D.
甘油
查看完整题目与答案
【单选题】下列物质中,既能与溴水反应又能与三氯化铁发生显色反应的
A.
苄醇
B.
苯胺
C.
苯酚
D.
乙烯
查看完整题目与答案
【单选题】下列物质中既能与溴水反应又能与三氯化铁发生显色反应的是
A.
甲苯
B.
乙醚
C.
苯酚
D.
甘油
查看完整题目与答案
【单选题】下列物质中,既能与溴水反应又能与三氯化铁发生显色反应的是()
A.
苯酚
B.
苄醇
C.
甲苯
D.
甘油
查看完整题目与答案
【单选题】下列物质中,既能与溴水反应又能与三氯化铁发生显色反应的是
A.
甲苯
B.
苯酚
C.
苯甲醇
D.
甘油
查看完整题目与答案
【简答题】Shopping is easy with Safe-Buyer, a UK online shopping directory. All the online shopping sites listed on Safe-Buyer have been checked for security, delivery, range of goods and prices. We've reviewed...
查看完整题目与答案
【单选题】2， Taobao is
A.
a shopping mall
B.
an online shopper
C.
an online shopping site
查看完整题目与答案
相关题目：
【单选题】Listen to the following dialogue on online shopping. Q: Has the woman experienced difficulty by shopping online?
A.
She has never shopped online.
B.
She has paid no attention to the known risk of online shopping.
C.
Yes, she has.
D.
No, because she would no longer shop online.
查看完整题目与答案
【单选题】What does Angela think of online shopping?
A.
Online shopping means  cheap  for her.
B.
Online shopping means  convenience  for her.
C.
Online shopping means  expensive  for her.
D.
Online shopping means  inconvenience  for her.
查看完整题目与答案
【单选题】下列物质中,既能与溴水反应又能与三氯化铁发生显色反应的是
A.
苯酚
B.
苄醇
C.
乙醚
D.
甘油
查看完整题目与答案
【单选题】下列物质中,既能与溴水反应又能与三氯化铁发生显色反应的是( )
A.
甲苯
B.
苄醇
C.
苯酚
D.
甘油
查看完整题目与答案
【单选题】下列物质中,既能与溴水反应又能与三氯化铁发生显色反应的
A.
苄醇
B.
苯胺
C.
苯酚
D.
乙烯
查看完整题目与答案
【单选题】下列物质中既能与溴水反应又能与三氯化铁发生显色反应的是
A.
甲苯
B.
乙醚
C.
苯酚
D.
甘油
查看完整题目与答案
【单选题】下列物质中,既能与溴水反应又能与三氯化铁发生显色反应的是()
A.
苯酚
B.
苄醇
C.
甲苯
D.
甘油
查看完整题目与答案
【单选题】下列物质中,既能与溴水反应又能与三氯化铁发生显色反应的是
A.
甲苯
B.
苯酚
C.
苯甲醇
D.
甘油
查看完整题目与答案
【简答题】Shopping is easy with Safe-Buyer, a UK online shopping directory. All the online shopping sites listed on Safe-Buyer have been checked for security, delivery, range of goods and prices. We've reviewed...
查看完整题目与答案
【单选题】2， Taobao is
A.
a shopping mall
B.
an online shopper
C.
an online shopping site
查看完整题目与答案
参考解析：
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