某烯烃与氢气加成后的产物是 CH3CH(CH3)CH(CH3)C(CH3)3,则该烯烃的结构式可能有(不讨论立体异构) [ ]
A.1种
B.2种
C.3种
D.4种
答案:C
— What do you think of the furniture on exhibition?
— Well, great! But I don't think much of ______ you bought. [ ]
A. the one
B. it
C. that
D. which
向原股东配股,拟配股数量不得超过本次配股前股本总额的20%。()