根据劳动组织的范围，可以将劳动组织分为哪两个层次？
参考答案：
根据劳动组织的范围不同，可将劳动组织分为社会劳动组织和单位劳动组织两个层次。
—Why didn't you take her to the mall?
—She always likes spending _ __ money. [ ]
A. too much
B. too many
C. much too
D. many too
用图所示的四种机械提起同一重物，不计机械自重和摩擦，最省力的是： [ ]
A.
B.
C.
D.
