She likes ,so she wants to be a _ .[ ] A_爱下问搜题

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问题选择题

She likes ,so she wants to be a _ . [ ]

A .cooking; cook

B. cook ; cooking

C. cook; cook

D. cooking; cooking

答案

答案：A

解答题

设抛物线y²=4x截直线y=2x+m所得的弦AB长为3

．
（1）求m的值；
（2）以弦AB为底边，以x轴上的点P为顶点组成的三角形的面积为39时，求点P的坐标．

选择题

---Have you heard of Earth Day?

--- Yes, We have only one Earth. We have no choice but ________ it.

A．protect

B．protected

C．protecting

D．to protect