【单选题】Which of the following does NOT suggest that the forum is ruthlessly controlled'?
A.
Participants must hold letters of invitation.
B.
Participants should queue in the snow outside.
C.
Swiss policemen have to carry machine-guns.
D.
Forum employees could check anybody if they wish.
【判断题】旅游是一种单纯的经济现象,而非文化现象。
【单选题】You must turn off the gas after cooking. You can never be ______ careful with that.
【单选题】下列句子表述准确的是()
A.
出席这次代表大会的有各高等院校的教师及各界青年代表和妇女代表
D.
是否实事求是,理论与实践相结合,这是毛泽东思想的基本观点
【单选题】You can never use my computer. At no time ____that machine. A. you should touch B. should you touch C. touch should you D. you touch
【简答题】根据自由空间的无线电波传播公式, ,在其他参数一定的情况下,波长越长,则接收的功率值越 。
【单选题】下列句子表述准确得体的一项应当是
C.
因家中有要事,所以不能按时光临府上,特此致歉。
【单选题】As I regard it, you can widen the ______ of these improvements through your active participation.
【单选题】,下列句子表述准确的是( )
A.
出席这次代表大会的有各种高等院校的教师、各界青年代表和妇女代表
D.
是否实事求是和理论与实践相结合,这是毛泽东思想的基本观点