题目内容
“Is it necessary to ban smart phones in class?” is not an effective central idea because it is too general.
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“Wang Xizhi’s calligraphy is awesome.” is not an effective central idea because it uses figurative language “awesome”.
The sentence “Charles Baudelaire is a great poet.”conveys the main idea clearly and sharply.
The outline usually displays central idea, main points, supporting materials,etc.
we can not determine whether the speech has a strong reason through the outline.
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