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问题 单项选择题

由于石灰石脱硫温度的限制，使循环流化床锅炉（）有所升高。

A.炉渣含碳量

B.灰飞含碳量

C.排烟温度

D.散热量

答案

参考答案：B

单项选择题

TCP/IP (71) layer protocols provide services to the application (72) running on a computer. The application layer does not define the application itself, but rather it defines
(73) that applications need — like the ability to transfer a file in the case of HTTP. In short, the application layer provides an (74) between software running on a computer and the network itself. The TCP/IP application layer includes a relatively large number of protocols, with HTTP being only one of those. The TCP/IP (75) layer consists of two main protocol options — the Transmission Control Protocol (TCP) and the User Datagram Protocol (UDP).

A. hardware B. software C. packetD. equipment
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单项选择题

怀疑胰腺癌首选的检查方法是（）

A.MRI

B.B超

C.CT

D.X线气钡双重造影

E.血尿淀粉酶测定
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