《仪器和观测方法指南6版》：气象学需要测量的温度主要有（）.A.近地面气温； B.地

有些成群的动物并不具有社群行为，下列动物中不具社群行为的是

A．狒狒

B．蜜蜂

C．蚂蚁

D．蝗虫

该患者奔马律在心尖部听到，表明是

A．重叠型奔马律

B．左室奔马律

C．右室奔马律

D．左房奔马律

E．右房奔马律

最终责任方是（）。

A．发货人

B．收货人

C．第三方

D．货运代理人

Virtualization is an approach to IT that pools and shares (1) so that utilization is optimized and supplies automatically meet demand. Traditional IT environments are often silos, where both technology and human (2) are aligned around an application or business function. With a virtualized (3) , people, processes7 and technology are focused on meeting service levels, (4) is allocated dynamically, resources are optimized, and the entire infrastructure is simplified and flexible. We offer a broad spectrum of virtualization (5) that allows customers to choose the most appropriate path and optimization focus for their IT infrastructure resources.

(3)

A．system

B．infrastructure

C．hardware

D．link

引张线分为哪几种？各适用于何种条件？