（ ）是全面贯彻党的教育方针的根本保证，是进一步加强和改进青少年思想道德建设和思想政治教育的迫切要求。

Because of the strong sun, the new drawing-room curtains have（ ）from dark blue to

grey.

What does he/she intend to do when a teacher writes the following sentences“She gets up

early.She wears a uniform.She works very hard.”on the blackboard at the presentation stage?

We don't know what experiment those researchers would（ ）on females to test this

hypothesis

在现代英语教学中出现越来越多新的教学模式，中学英语教师在课堂上的系统呈现解逐渐被丰富多彩的课堂活动所取代。

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