低碳钢的含碳量应（） A.小于0.25% B.等于0.25% C.大于0.25%

2009年全国秋粮产量为374257000吨，把横线上的数改写成用“万”作单位的数是______，省略亿位后面的尾数是______．

Virtualization is an approach to IT that pools and shares (36) so that utilization is optimized and supplies automatically meet demanD. Traditional IT environments are often silos, where both technology and human (37) are aligned around an application or business function. With a virtualized (38) , people, processes, and technology are focused on meeting service levels, (39) is allocated dynamically, resources are optimized, and the entire infrastructure is simplified and flexible. We offer a broad spectrum of virtualization (40) that allows customers to choose the most appropriate path and optimization focus for their IT infrastructure resources.

A．system

B．infrastructure

C．hardware

D．link

中气虚弱，胃气不畅的胃气虚，应选用

A．气血辨证
B．阴阳辨证
C．表里辨证
D．虚实辨证
E．寒热辨证

如果窗宽为300，窗位为50，那么图像可以显示的CT值范围应当是()

A.-100～+200Hu

B.-150～+150Hu

C.0～+300Hu

D.+50～+350Hu

E.-200～+100Hu

当自己的底细被抖出后，盖茨比的反应是（）

A.想要辩护

B.他说得越多，黛西就越显得疏远

C.最后只好不说了

D.不想辩护