项目经济评价采用( )方法进行资金等值交换。
A．单利法
B．复利法
C．单利、复利法兼有
D．间断复利法
参考答案：B
He came to my class every week, but his look that he was not really interested．
A．expresses
B．described
C．explained
D．suggested
以叙事、讲故事进行教学的方法是（）
