题目

 ----- Oh, how depressing! I am bound to lose to him in tomorrow’s competition.    ----- Cheer up! In fact, he is _____ than you.   A. not more nervous              B. no more nervous    C. no less nervous                D. a little less nervous 答案：C欲除去混在苯中的少量苯酚，下列实验方法正确的是  A．分液                          B.加入氢氧化钠溶液后，充分振荡，静置后分液C．加入过量溴水，过滤            D.加入FeCl3溶液后，过滤