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【单选题】
下列化合物或离子中离去能力大小的顺序是: (A) p -CH 3 C 6 H 4 SO 3 - (B) I - (C) OH - (D) H 2 OA.
A>B>C>D
B.
A>B>D>C
C.
D> A>B>C
D.
A>D>B>C
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皮皮学刷刷变学霸
举一反三
【简答题】Where is Tom? I have something important to tell him. ― I last saw him (seat)in the library reading.
【单选题】---I have been waiting here for . But where is Tom? ---He is on his way back now.
A.
sometime
B.
some time
C.
sometimes
D.
some times
【单选题】— Where is Tom? I have something important to tell him. — I last saw him____in the library reading. [ ]
A.
sit
B.
seated
C.
seating
D.
sat
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