根据《汽车库、修车库、停车场设计防火规范》（GB50067-1997），停车数量大于

妈妈说考得好就去吃麦当劳属于（）

A.经典条件反射

B.操作性条件反射

C.惩罚

D.奖励

E.强化

交易账户的适用范围仅包括商业银行的所有表内头寸。( )

Which of the following statements about project risk is FALSE（）

A. The riskier the project’s income stream, the higher the discount rate should be.

B. Mutually exclusive projects should be analyzed using the firm’s weighted-average cost of capital (WACC).

C. If investors are not well diversified, they may want management to concentrate more on project risk than on market (beta) risk.

简述注发文件应考虑的原则。

试述小肠的组成和功能？