下列业务中,引起资产和权益同增的有()。
A.投资者向企业投入机器设备
B.用银行存款购买材料
C.从银行取得借款,直接偿还所欠货款
D.从银行取得借款,存入银行
参考答案:A, D
把90个数据分成四组,绘制成频数分布直方图,已知各小长方形的高的比为3:4:2:1,则第一小组的频率为______,第二小组的频数为______.
It is impossible to live in society and independent of society; and therefore it is difficult to
society of inequality as well as corruption.
A.remove; from
B.rid; of
C.substitute; with
D.simplify; by