第1题: [多项选择]DiffServ模型由下列哪些组件构成()。 A. DS域(Differentiated Service Domain) B. DS边界节点(DS Boundar Nodes) C. DS内部节点(DS Interior Nodes) D. 边界链路和内部链路 E. 非DS域 F. DS区(Differentiated Service Region) 参考答案:A, B, C, D, E, F
第2题: [单项选择]可撤销的民事行为,从( )开始,自始无效。 A. 行为成立时 B. 撤销时 C. 法院判决时 D. 法院判决生效时 参考答案:B 答案解析:[解析] 可撤销的民事行为自撤销时,自始无效。
A. for recreation B. in the interests of the farmers C. to limit the fox population D. to show off their wealth 参考答案:A 答案解析:从文章第三段第一句话“People who take part in hunting think of it as a sport"可以看出英国人把猎狐看成是一种娱乐和消遣,因此,[A]为正确答案。
第8题: [单项选择]下面一组中都是C语言关键字的是______。 A. double Int for B. main while goto C. volatile break static D. malloc sizeof new 参考答案:C 答案解析:[评析] C语言中的关键字有32个关键字(参见C语言教程),本题中只有C符合题意。
第9题: [填空题]Jack took three days to prepare for the party. It ______ Jack three days to prepare for the parry.
参考答案:took。 答案解析:[精解] 本题考察花费时间的表示方法,某人花费(时间/金钱)做某事用以下两种均可:sb.take(s) some time(money)to do或者It takes sb some time(mon
第11题: [单项选择]根据汉字国标GB 2312-1980的规定,二级次常用汉字个数是( )。 A. 3000个 B. 7445个 C. 3008个 D. 3755个 参考答案:C 答案解析:[解析] 按照使用的频率分为:一级常用汉字3755个,按汉语拼音字母顺序排列;二级次常用汉字3008个,按部首排列。
第25题: [单项选择]It was until last year had he ______. A. left his hometown for a new start B. came to realize the importance of learning English C. worked as an English teacher at a middle school D. set out to build a new house of his own 参考答案:C