题目

(2011广东广州市,6,3分)若a < c < 0 < b ,则abc与0的大小关系是(    ).A.abc < 0B.abc = 0 C.abc > 0D.无法确定 答案:C解析:略选词填空。busy play do wash help last night【1】—What do you ______ on the weekend?.—I often ______ basketball with my father.【2】—I usually ______ my clothes on Sundays.—You're so ______.【3】My mother worked ______.【4】You need a robot to ______ you.
数学 试题推荐