坯料过烧的表现是（）。
A.晶界熔化
B.晶界氧化
C.晶粒间结合力减弱
D.产生内裂纹
参考答案：A, B, C, D
—What do you think of that housewife?
—She is _____ of a good housekeeper, for the children’s room is always a terrible mess.
A．nobody
B．somebody
C．nothing
D．something
越鞠丸中用以清热泻火，以治火郁的药物是（）。
A.黄连
B.黄芩
C.石膏
D.栀子
E.龙胆草
