问答题

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答案：鸡爪槭

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单项选择题

Why would Mr. Scott like to change the packing design for toy cars?
A、Because he would like to catch the Christmas shopping season.
B、Because he would like to launch a new product.
C、Because he would like to save costs.
D、Because he would like to improve corporate image.

不定项选择

绝大多数的进化是突发的，通过对基因型和表型的剧烈改善来适应环境的改变。

A．正确
B．错误