NRC（)。

A．flight

B．neighbonr

C．daughter

D．cough

为明确梗阻部位首选

A.CT

B.NRCP

C.PTC

D.ERCP

E.B超

锅炉及压力容器常用的钢材是( )。

A.20g

B.16MnR

C.15CrMo

D.16MnQ

What does the report from NRC indicate?

A．The earth will become warmer.

B．It is somewhat suspicious of Michael Mann's assertion.

C．The earth reaches the highest temperature in the history.

D．The proxy measurements are reliable.

What does the report from NRC indicate?

A．The' earth will become warmer.

B．It is somewhat suspicious of Michael Mann's assertion.

C．The earth reaches the highest temperature in the history.

D．The proxy measurements are reliable.

What does the report from NRC indicate?

A．The earth will become warmer.

B．It is somewhat suspicious of Michael Mann's assertion.

C．The earth reaches the highest temperature in the history.

D．The proxy measurements are reliable.

What does the report from NRC indicate?

A．The earth will become warmer.

B．It is somewhat suspicious of Michael Mann's assertion.

C．The earth reaches the highest temperature in the history.

D．The proxy measurements are reliable.

在Linux操作系统中，可以通过命令(34)显示路由信息。 A．isrouteB．netstat-nrC．ifconfig-rD．servicetraceroute

下列钢号（）是不锈钢。

A.20g

B.16MnR

C.1Gr18Ni9Ti

D.Cr5Mo。

最有助于诊断的检查是

A.胃镜

B.消化道钡剂造影

C.血管造影

D.NRCP

E.胆系造影