We put _________ the Christmas tree.[ ]
A. up
B. of
C. off
D. at
答案:A
根据语境,用恰当的语言完成对话。
A: Hello, Ken. How was your summer holiday?
B: Too terrible.
A: 小题1:_____________________________?
B: I planned to go to Guilin for my holiday. But it rained heavily there, so I had to stay at home.
A: 小题2: ! Then what did you do at home?
B: I just did my homework every day. It was very boring. 小题3:___ _______________, Alice?
A: I went to Qingdao with my parents.
B: That sounds good. 小题4:__________________________________?
A: It was hot and humid but sometimes it was cool.
B: 小题5:_______________________________?
A: Yes, we had great fun.
多媒体技术的主要特性有:(1)多样性(2)集成性(3)交互性(4)可传播性()。
A、(1)
B、(1)(2)
C、(1)(2)(3)
D、全部