问题 单项选择题

TCP/IP communication protocol contains four layers. From bottom to top, the four layers are().

A.network interface layer, internet layer, transport layer and application layer

B.intemet layer, network interface layer, transport layer and application layer

C.network interface layer, transport layer, internet layer and application layer

D.application layer, transport layer, internet layer and network interface layer

答案

参考答案:A

完形填空

根据所学课文内容填空(共5小题,每空0.5分,满分10分)

小题1:但当他一想到帮助那些得了霍乱的普通百姓时候,他就感到很振奋。

But he ____________ ____________ when he thought about helping ordinary people ____________ ____________ cholera.

小题2:值得赞扬的是,虽然这四个国家的确在某些方面共同合作,例如在货币和在国际关系上,但它们在有些制度上仍然存在着很大的区别。

__________ ___________ ____________, the four countries __________work together in some areas (eg, the currency and international relations), but they still have very different institutions.

小题3:然而,当我们到达一个看上去像一个大市场的地方时, 由于太多的气垫车向四面八方飞奔,我看不见王平了。

However, I _________ _________ _________WangPing when we reached _________looked like a large market because of too many carriages flying by in all directions.

小题4:只有提很多不同的问题,你才能收集到你所需要的信息。

____________ ____________ you ask many different questions _________ ____________ acquire all the information you need to know.

小题5:你可能由于各种原因而烧伤。烧伤有三类,根据皮肤烧伤的层次分为一度烧伤、二度烧伤和三度烧伤。

You can get burned by ____________ ____________ of things. There are three types of burns. Burns are called first, second or third degree burns, ____________ ____________ which layers of the skin are burned.

多项选择题