【单选题】The mention of a conflict between people with earpiece thingies and bystanders in the sixth paragraph is to______.
A.
support the author's opinion in the previous part
B.
elicit the author's opinion in the following paragraph
C.
verify the trueness of the author's statement
D.
refute other people's sympathy for the man
【简答题】He __________(get) up at sixt o’clock.
【单选题】Braille, the universally accepted______ of writing used by blind persons, consists of sixty-three characters.
【判断题】含水量符合压实要求的黏性土,可用作各层填料。
【简答题】常用的外围设备包括输入设备、输出设备、外存储器、数据通信设备和_____。
【单选题】通常人们所说的一个完整的计算机系统包括( )。
【单选题】若i的初始值为5,循环头为while(++i<10), 且i在循环体中不被修改,则循环体将被重复执行( )次。
【单选题】通常人们所说的一个完整的计算机系统应包括( )。