若x=﹣2是函数f（x）=（x²+ax﹣1）e^x﹣1的极值点，则f（x）的极小值为（    ）

我国民族分布的特点是（    ）

在 38  49  61  56  85  74  51  24  90数字中，大于60的数有____个。

患肝炎的病人，下列哪一过程会受到直接影响？（　　）

根据短文内容完成下列任务。

Cindy is my friend. She likes sports very much. She runs (跑步) every morning. Cindy is healthy and she eats well.

For breakfast, she likes eggs, bananas and milk. For lunch, she has chicken, tomatoes and vegetables. She likes fish, salad and carrots for dinner. She eats oranges, pears and apples, too. 水果和蔬菜是健康食品。She doesn't like ice-cream. And she doesn't eat hamburgers or French fries (薯条). They are not healthy food.