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【简答题】Many cities have decided to (wide) ______ the streets to solve the serious traffic problems.
【简答题】Although many cities have achieved a financial profit by hosting the s, the Olympics can be financially risky.
【简答题】用于存放系统程序的是________________存储器。(注意:填写大写英文答案)
【单选题】Many cities have restricted smoking in public places．
A.
limited
B.
allowed
C.
stopped
D.
kept
【简答题】Some people say they have an answer to the problems of car crowding and pollution. In many cities, hundreds of people ride bikes to work every day. In New York City, some bike riders have even a group...
【单选题】下列哪项是属于系统存储器的功能()
A.
系统存储器使用EPROM(只读存储器)，用于存放系统程序
B.
用户存储器通常由用户程序存储器和功能存储器组成。
C.
用扫描的方式接收输入设备的状态(即开关量信号)和数据(即模拟量信号)
D.
与外围设备或计计算机通信。
【单选题】Many large Russian cities, such as Chelybinsk and Irkutsk, have taken _____ to protect their culture. [ ]
A.
measure
B.
steps
C.
behavior
D.
act
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