惯用语以（）个字的居多，并且大都是（）结构的短语。
参考答案：3；动宾
开放作文。
请根据下面提示，写一篇短文。词数不少于50。
In your spoken English class, your teacher shows you the following picture. You are asked to describe
the picture and explain how you understand it.
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短跑中的蹲式起跑是受哪种动物启发的：（）
A.狼
B.狗
C.猫
D.兔
E.袋鼠
