[单项选择]The market has changed in character because now ______. A. it does sell jewellery B. the holy men do not sell there C. it sells goods for tourists and items of little value D. the traders have disappeared because it is too dangerous to sell there
参考答案:C 答案解析:[解析] 本题的依据句是'These days at what used to be one of the richest market places in the world,one buys ic
第12题: [单项选择]Modem 是家庭PC 机利用电话线上网的常用设备之一。下面关于Modem 的叙述中,错误的是( )。 A. Modem 既能将数字信号变换成模拟信号,也能把模拟信号恢复成数字信号 B. Modem 的数据传输速率一般是33.6kbps 56kbps C. Modem 工作时需遵守一系列的协议,包括调制协议、差错控制协议和数据压缩协议等 D. 有一种“软Modem”,其功能都是由软件完成的,不需要专门的硬件 参考答案:D
第13题: [单项选择]A teacher cannot take it for granted that his students always do their homework ______. [A] as follows [B] as required [C] as they have [D] as they do 参考答案:B 答案解析:[解析] 本题考查短语的用法。本题句意为:教师不能想当然地认为学生都会按 照要求做家庭作业。as follows表示“如下”,后接事例;as required表 示“如所要求的那样”,required
第14题: [单项选择]未经医师注册取得执业证书的 A. 不得从事医师执业活动 B. 可在预防机构从事医师执业活动 C. 可在保健机构从事医师执业活动 D. 可在执业医师指导下,在预防、保健机构,从事医师执业活动 E. 可在执业医师指导下从事医师执业活动 参考答案:A