网络购物必须具备人气、交流和信息量三个基本条件,其中()是基础。
A.人气
B.交流
C.信息量
D.交流和信息量
参考答案:A
- Has John finished his homework yet?
- No, not yet. He _____________ it.[ ]
A. does
B. did
C. has done
D. is doing
有人把圆周率3.14159,编成顺口溜“山颠一寺一壶酒”来背诵,这是利用了()
A.生成性学习
B.组织策略
C.元认知策略
D.记忆术