压力铸造说法正确的是（）
A、生产批量小
B、尺寸精度不如砂型铸造
C、生产效率低
D、表面质量比金属型铸好
参考答案：D
逍遥散的组成中不含有（）
A.白芍
B.薄荷
C.柴胡
D.枳壳
E.当归
Overpopulation is a terrible threat to the human race. Yet it is probably ______ a threat to the human
race than environmental destruction. [ ]
A. no more
B. not more
C. even more
D. little more
