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问题 单项选择题

患者，男性，41岁。胸部外伤后出现了张力性气胸的表现，现场应立即采取的措施是（）

A.加压包扎固定胸壁伤口

B.气管插管

C.镇静止痛

D.闭式胸膜腔引流

E.胸腔穿刺排气

答案

参考答案：E

单项选择题

两个以上的申请人分别就同样的发明创造申请专利的，专利权授予( )o

A．最先使用该发明创造的人

B．拥有优先权的人

C．最先申请的人

D．两个以上的申请人
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单项选择题

In (66) the strength of the carrier signal is varied to represent binary 1 or 0. (67) is a system that can map a name to an address and conversely an address to al name. (68) is a three-way handshaking authentication protocol that it’s packets are encapsulated in the point-to-point protocol. (69) is an approach that enables an ATM switch to behave like a LAN switch. (70) is an guided media which is made of glass or plastic and transmits signals in the form of light.

A．Coaxial cable

B．Optical fiber

C．Unshielded Twisted-pair Cable

D．Shielded Twisted-pair Cable
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