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问题 选择题

--What do you think made Celia so happy?

--______ a prize in the recent competition.

A．As she won

B．Won

C．Winning

D．Because of winning

答案

答案：C

回答what要用名词或相当于名词的动名词。句意：什么事使得Celia如此高兴？在最近的比赛当中获奖让他高兴。

填空题
Choose the word or expression which has the same meaning as the underlined part. (选择与划线部分意思接近的单词或词组): 5%
A. hardly        B. complete           C. more precious 
D. nasty          E) release             F) think sth .to be true
小题1:Friendship is more valuable than money.
小题2:I don’t like the soup with the unpleasant smell.
小题3:The nurse gave the baby a thorough cleaning after its birth.
小题4:I suppose that you are tired.
小题5:Trees can let out oxygen back into the air.
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单项选择题

The de facto standard Application Program Interface (API) for TCP/IP applications is the “sockets” interface. Although this API was developed for （71） in the early 1960s it has also been implemented on a wide variety of no-Unix systems. TCP/IP （72） Written using the sockets API have in the past enjoyed a high degree of portability and we would like the same （73） with IPv6 applications. But changes are required to the sockets API to support IPv6 and this memo describes these changes. These include a new socket address structure to carry IPv6 （74） ,new address conversion functions, and some new socket options. These extensions are designed to provide access to the basic IPv6 features requited by TCP and UDP applications, including multicasting, while introducing a minimums of change into the system and providing complete （75） for existing IPv4 applications.

A．connections 

B．protocols 

C．networks 

D．address
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