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问题 单项选择题 A1型题

妇产科医生在门诊就能了解胎儿储备功能，并可作为催产素激惹试验的筛选试验是()

A.NST

B.OCT

C.CST

D.尿E3测定

E.多普勒测胎心率

答案

参考答案：A

单项选择题

不属于混合型脂肪肉瘤的是（）。

A.分化良好型脂肪肉瘤＋黏液样脂肪肉瘤

B.分化良好型脂肪肉瘤＋多形性脂肪肉瘤

C.黏液样脂肪肉瘤＋多形性脂肪肉瘤

D.黏液样脂肪肉瘤＋去分化脂肪肉瘤

E.分化良好型脂肪肉瘤＋去分化脂肪肉瘤
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单项选择题

The ARPANET (66) ( the rules of syntax that enable computers to communicate on a network) were originally designed for openness and flexibility, not for (67) The ARPA researchers needed to share information easily, so everyone needed to be an unrestricted "insider" on the network. Although the approach was appropriate at the time, it is not one that lends itself to today’s commercial and government use.
As more locations with computers (known as (68) in Internet parlance)joined the ARPANET, the usefulness of the network grew. The ARPANET consisted primarily of university and government computers, and the applications supported on this network were simple: electronic mail ( E - mail), electronic news groups, and (69) connection to other computers. By 1971, the Internet linked about two dozen research and government sites, and researchers had begun to use it to exchange (70) not directly related to the ARPANET itself. The network was becoming an important tool for collaborative research.

A．protocols

B．statute

C．law

D．enactment
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