先天性心脏病病因中，在外来因素中最主要的是（） A.药物影响 B.孕母接触放射性射线

I                want to eat ice cream. [ ]

A. am not    

B. don't    

C. do

伏饮的临床特征是（）

A.水走肠间，沥沥有声

B.其人背寒冷如掌大

C.背痛腰疼，目泣自出

D.其人振振身瞤剧

E.满喘咳吐，发则寒热

俗话说“鸡蛋碰石头”，鸡蛋碰石头的结局通常是鸡蛋被碰破，而石头却完好．从物理学的角度来看，鸡蛋壳的______（硬度/延展性/密度）不及石头，假如用鸡蛋和石头相碰撞，鸡蛋对石头的力______（大于/等于/小于）石头对鸡蛋的力．

企业在进行保管作业时，一般应遵循的原则有（）

A、先进先出

B、面向通道

C、周转频率对应

D、同一性

In risk response planning，you are in the process of developing options，and determining actions to reduce threats to your project's objectives．When you show the results of your risk response planning to your project sponsor，she is not comfortable with the risks in the project and she suggests that the project scope should be decreased．This is an example of （）.

A．inappropriate risk management because it is having a direct impact on your project scope

B．risk avoidance

C．risk mitigation

D．risk transfer