趋势分析法是财务分析最常用的一种方法()
参考答案:错
解析:比率分析法是财务分析最常用的一种方法。敌本题错。
– Look at these factories. I hate them. They____ many rivers here.
--Yes. Something ______ to stop the pollution.
A.polluted, must do
B.had polluted , must be doing
C.have polluted , must be done
D.were polluting, must be done
金属与介质发生纯化学作用而引起的破坏属于()腐蚀。
A、电化学
B、化学
C、全面