既有安神之效又能平肝潜阳的是哪一组（）。
A.龙骨、牡蛎
B.牡蛎、代赭石
C.代赭石、珍珠母
D.磁石、龙骨
E.磁石、石决明
参考答案：D
钢框木胶合板模板与组合钢模板比，其特点为()等。
A、通用性强
B、自重轻
C、模板拼缝少
D、维修方便
E、耐水性能好
It doesn't _ to buy that expensive coat when these cheaper ones are just as good as that one.[ ]
A. make a difference
B. make out
C. make sense
D. make up
