既能消食健胃,又能涩精止遗,还可治疗小儿脾虚疳积的药物是()。
A.麦芽
B.乌梅
C.莱菔子
D.银柴胡
E.鸡内金
参考答案:E
(2013·北京,32)—So what is the procedure?
—All the applicants ________ before a final decision is made by the authority.
A.interview
B.are interviewing
C.are interviewed
D.are being interviewed
工业用()适用于黑色金属和有色金属的脱脂。
A、三氯甲烷
B、三氯乙烯
C、二氧化碳
D、丙酮