下列硝基苯酚的沸点由高到低排列正确的是()。
①间硝基苯酚;
②邻硝基苯酚;
③对硝基苯酚。
A.①②③
B.②①③
C.③②①
D.③①②
参考答案:D
— The teacher asked us ________________
A. What the bad effect of pollution are.
B. What were the bad effect of pollution.
C. What the bad effect of pollution were.
商业银行的经营原则()
A、依法经营原则
B、安全性原则
C、流动性原则
D、盈利性原则