根据砂轮机的安全技术要求,下列选项中砂轮机的使用不正确的有( )。
A.禁止侧面磨削
B.不准正面操作
C.不准共同操作
D.禁止正面磨削
参考答案:D
—Tom should have been warned not to cheat in the exam.
—_______, but he wouldn’t listen to me.
A.So he had
B.So has he
C.So was he
D.So he was
流动比率高,不仅反映借款人拥有的营运资金高,可用于抵偿短期债务,而且表明借款人可以变现的资产数额大,债权人遭受损失的风险小。所以该比率越高越好。 ( ) A.对 B.错