业务节点接口

利用树状图求：把一枚均匀的硬币连续抛掷三次，“至少有一个硬币是正面朝上”的概率．

在社会和医学实践中争议最大的是（）

A.被动安乐死的实施

B.主动安乐死的实施

C.自愿安乐死的实施

D.非自愿安乐死的实施

E.临终关怀

此时应如何处理

A．立即停止用药拔出针头
B．立即停止用药局部注射碳酸氢钠
C．立即停止用药接注射器回抽再局部注射碳酸氢钠
D．立即停止用药接注射器回抽再局部注射硫代硫酸钠
E．立即停止用药接注射器回抽再静脉注射硫代硫酸钠

At a basic level,cloud computing is simply a means of delivering ITresources as ____(71)___.Almost all IT resources can be belivered as a cloud service:applications,compute power,storage capacity,networking,programming tools,even communication services and collaboration ____(72)____. Cloud computing began as large-scale Internet service providers such as Google,Amazon,and others built out their infrastructure.Anarchitecture emerged:massively scaled,____(73)____ distributed system resources,abstracted as virtual IT services and managed as continuously configured,pooled resources.In this architecture,the data is mostly resident on ___(74)___ "somewhere on the Internet" and the application runs on both the "cloud servers" and the user’s browser. Both clouds and grids are built to scale horizontally very efficiently.Both are built to withstand failures of ___(75)___ elements or nodes.Both are charged on a per-use basis.But while grids typically process batch jobs,with a defined start and end point,cloud services can be continuous.What’s more,clouds expand the types of resources available - file storage,databases,and Web services - and extend the applicability to Web and enterprise applications.

（75）处填（）。

A．entire

B．individual

C．general

D．separate

果蝇的自然群体中，第Ⅱ号染色体的变异很多。下表表示为果蝇的三种第Ⅱ号染色体突变类型（A、B、C），在不同温度下的存活能力与标准型果蝇的比较（以标准型为100）。请分析并回答下面的问题。

如果果蝇生存环境的温度明显下降，经过较长时间后，形成了一个新品种，将类似于（）。如果这一新品种与原类型形成（），就是一个新物种了。