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举一反三
【单选题】In the last two hundred years there have been great changes in the method of production of goods. This is now also true of the building industry; for mechanization has been introduced. System building...
A.
the latter uses ready-made internal features
B.
panels are cast in a level position
C.
the former is used to build walls and floors while the latter to construct bathrooms or bedrooms
D.
the former is more expensive than the latter
【单选题】从皮疹辨，上述何为水痘（）
A.
先于耳后、面部，逐渐分布于全身，3～4天出齐，皮疹呈玫瑰色斑丘疹，可互相融合
B.
先见于颈、胸、腋下，2～3天遍及全身，呈猩红色点状，密集成片，面部潮红面部无皮疹
C.
先见于面部，24小时后布满全身，皮疹较细小，呈浅红色斑丘疹，分布均匀
D.
先见于躯干，无明显顺序，24小时布满全身，呈玫瑰色的较小斑丘疹
E.
以上都不是