如果企业收入增加,节约开支,提高了毛利额,而(),那么企业的劳动生产力就提高了。
A、职工人数增加
B、职工人数不变
C、职工人数减少
D、原料成本提高
参考答案:B
I had just stepped out of the bathroom and was busily drying myself with a towel ______ I heard the steps.
A.while
B.when
C.since
D.after
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