互动封闭仿真课堂
1、智能交互 2、电子板书式视频教学 3、在线互动问答 4、封闭课堂启发式教学方式
随堂测试、知识梳理、易错点揭示、总结启迪智能错题本
听课中的错题能自动加入错题本，课后可方便复习及导出错题本升级服务
在线答疑、课后同类题练习、讲义下载、短信提醒As a rule, we keep records on all the experiments so that we may have enough dat a.我们通常总是对所有的实验都作记录,以便得到足够的资料。
5. As a whole作为一个整体(来看)
We should analyze the problem as a whole.我们应该把这个问题作为一个整体来分析。(状语)
6. As above如上
It has been explained as above.
这件事已在上面解释过了。
7. as…as ever像往常一样……
She works as hard as ever.她工作一贯努力。
8. as…as possible尽可能地……
as soon as possible尽可能早
as big as possible尽可能大,越大越好
as carefully as possible越仔细越好
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