题目

下列各有机物，互为同系物的是（    ） A.油酸与硬脂酸                              B.丙烯酸（CH2CHCOOH）与油酸 C.甲酸与苯甲酸                              D.甲醇与乙二醇 答案：B----Personally, no supper does no good to weight loss．----______. As a matter of fact, it does harm to your health．A．Not exactly.B．I’m not sure.C．I couldn’t agree moreD．You can’t be serious