The speaker is named “Magic” Johnson because_________ .

A． he was once a famous basketball coach

B． he was a happy survivor of the unhappy disease

C． he was given chance to talk of his own experience

D． he was a very practical and realistic person in life

[名词解释] Speaker

[单选题]Speaker A． I like your sweater. It suits you very well.Speaker B: _________It's a present from my girlfriend.Speaker A: She certainly has the taste.A． Want to know how come?B． I like it so much.C． Thank you for saying it.D． You may take it.

[单选题]A．ll the students went to the magic show yesterday. It was really ______.A． amusinglyB． amuseC． amusingD． amused

[单选题]The speaker is probably .A．a host B.a singer C.a dancer D.a teacher

[单选题]The speaker believes that .A．music is a spoken languageB．music develops as we grow upC．music is above the other artsD．music plays an important part in our life

[单选题]（ ） are rates which are applicable to named types ofair freight or some nam

[单选题]（ ） are rates which are applicable to named types ofair freight or some nam

[单选题]A．ccording to the passage, ______ has become the driving force for the development of telephone system?A．information technologiesB．InternetC．PCD．convergence of telecommunications technologies

[试题]Thenthespeaker_____thevariousfactorsleadingtothepresenteconomiccrisis.(A)wentafter(C)wentinto(B)wentfor(D)wenton

[问答题] 请说明DNS系统中/usr/sbin/in.named、/etc/named.conf、/var/named三部分的作用。并给出当DNS系统解析进程调死不能解析域名时的处理办法。