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问题 单项选择题 A1/A2型题

男性，10个月。左腹股沟可复性包块1月。临床诊断左腹股沟斜疝。目前的处理宜采取（）。

A.限期手术

B.暂不手术

C.急诊手术

D.择期手术

E.及早手术

答案

参考答案：B

解析：婴幼儿的腹肌可随生长发育逐渐强壮，故1岁以下的婴幼儿疝可暂不手术。

选择题

He would be sure ________ disasters if I didn't stay to keep an eye on him.

A．of meeting

B．about meeting

C．meeting

D．to meet
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单项选择题

______in the strength of the carrier signal is varied to represent binary 1 or 0．______is a system that can map a name to an address and conversely an address to an name．______is a three-way handshaking authentication protocol that it’s packets are encapsulated in the point-to-point protocol______is an approach that enables an ATM Switch to behave like a LAN switch．()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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