曲线y=x³+x ²在点P₀处的切线平行于直线y=4x，则点P₀的坐标是（  ）

用所给词的适当形式填空

（1）—How does Jim get to school?

         —He ____ (take) the subway.

（2）My sister usually ____ (go) to school by train.

（3）Yang Lei needs about 10 minutes ____  (get) to school.

（4）How far ____ your aunt ____ (live) from here?

（5）How long does it take you ____ (walk)to the train station?

下列不属于生命现象的是（ ）