灾伟大胜利和取得奥运会、残奥会圆满成功的重要原因和重要意义。
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[A] Calcium-rich food.
[B] Plant-based and starchy staples food.
[C] High-fat, high-calorie food
[D] Vitamin D-rich food.
The purpose of two questions in the second paragraph is to ________.
[A] demonstrate why people are amused
[B] display what people laugh at
[C] bring to light the phenomenon of laughter
[D] accent what a phenomenon laughter really is
[A] over [B] on [C] under [D] behind
[A] which [B] that [C] what [D] it