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【单选题】
下列基团中，属于邻、对位定位基的是A.
－CN
B.
－COOH
C.
-Br
D.
-NO2
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举一反三
【单选题】“Rare chance” in the sentence “In the past, making a living took most of people's time, which gave them rare chance to go off on a trip” functions as ________
A.
subject
B.
predicate
C.
object
D.
object complement(宾语补足语)
【简答题】段落翻译 Simply stated, the Shanghai Expo was a once-in-a-lifetime experience. Maybe it’s because, after visiting the Expo, you would probably tell yourself that you never want to do this again. But once ...
【简答题】4-3-8 ) 图 4.19 所示 电路中 N 为无源线性电阻网络,已知图 a 中 电压 , 电流 ,求 图 b 电路中电流 。
【单选题】“Rare chance” in the sentence “In the past, making a living took most of people's time, which gave them rare chance to go off on a trip” functions as ________
A.
subject
B.
predicate
C.
direct object
D.
indirect object
【简答题】Simply stated, the Shanghai Expo was a once-in-a-lifetime experience. Maybe it’s because, after visiting the Expo, you would probably tell yourself that you never want to do this again. But once you g...
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