如图，在直角坐标系中，一只蚂蚁从点P（0，1）出发，沿着图示折线方向移动，第一次到达点（1，1），第二次达到点（1，0），第三次达到点（1，﹣1），第四次达到点（2，﹣1），…，按照这样的规律，第2016次到达点的坐标应为____．

下列各组反应中，不能用同一个离子方程式表示的是(  )

一学生在百米赛跑中，16s末到达终点的瞬时速度为7.5m/s，则它在全程内的平均速度是 ---------------------------------------------------------------------------------------------w.w.^w.k.&s.5*u.c.#om高.考.资.源.网--（      ）

当前，我国进行西部大开发，目的是合理利用西部丰富的自然资源，使得西部地区经济社会较快发展，下列说法不正确的是（    ）

完形填空。

     Jean is an English girl. She lives in Beijing 1 her parents. She doesn't know Chinese very 2. But she 3 very hard. She often speaks 4 in class and after class. Sometimes her classmates don't understand her 5 she can't speak Chinese well.

    It's Sunday morning. Jean wants to 6 some flowers, but she doesn't know the 7 to the flower shop. She asks a Chinese boy for help. The boy can't 8 her. Then she takes out a pen and a piece of paper and draws a 9 of a shop and some flowers. The boy looks at it and then 10 her the way.