第21题: [单项选择]有关“调制解调器”(又称为Modem)的以下说法中,错误的是( )。 A. 只需要用户方的电脑与电话线之间接入Modem,而服务器端不需要加Modem B. 调制解调器就是用于数字信号与模拟信号之间转换的设备 C. 调制解调器有内置的和外置的两种 D. 外置的价钱比内置的贵一些,但是安装使用比内置的方便 参考答案:A
第22题: [单项选择]待客时,茶叶泡()为宜。 A. 1-2次 B. 2-3次 C. 3-4次 D. 4-5次 参考答案:C
第24题: [单项选择]Questions 11 to 18 are based on the conversation you have just heard. A. He shows great enthusiasm for his studies. B. He is a very versatile person. C. He has no talent for tennis. D. He does not study hard enough. 参考答案:D 答案解析:[听力原文] M: Your son certainly shows a lot of enthusiasm on the tennis court. He talked like a pro