The doctor told Mr. White that he couldn't get better if he didn't ____ drinking.（　　）

Finite difference method is more efficient than finite ...

单项选择题Finite difference method is more efficient than finite element method.（ ） A. 对 B. 错

A.见图AB.见图BC.见图CD.见图D

单项选择题

如果MPC（边际消费倾向）是0.8，那么乘数的值是8

判断题如果MPC（边际消费倾向）是0.8，那么乘数的值是8