【单选题】Today ______ have TV sets in big cities.
【单选题】It was so dark outside that he didn't ______.
A.
dare to go out to fetch some water
C.
dare go out to bring some water
D.
to dare fetch some water
【单选题】关于防盗报警探测器,下列说法错误的( )。
A.
是用来探测入侵者的移动或其他动作的电子部件组成的装置
B.
是用来探测入侵者的移动或其他动作的机械部件组成的装置
【单选题】________ our surprise, the twin sisters went to Peking University at the same time last year.
【判断题】网络直播分两类:网络互动直播和网络现场直播。
【简答题】程序中变量的存储类型包括:( )、( )、( )和( )。
【单选题】—Did your sisters go to the concert last night? —No, we went to my aunt's birthday party.