内流河是指不能注入海洋的河流，为内流河提供径流的区域，称为内流区，无流区是指基本上不产生地表径流的地区，这类区域多出现在干旱少雨的地区。读某国家中部某一内流区位置图，完成下列问题。

古代世界上最长的运河是（　　）

小明在“测小车的平均速度”的实验中，设计了如图所示的实验装置：小车从带刻度（分度值为1mm）的斜面顶端由静止下滑，图中的圆圈是小车到达A、B、C三处时电子表的显示（数字分别表示“小时：分：秒”），则：

根据短文内容和所给汉语及首字母提示，用正确的单词完成短文。每空限填一词。

Dear Eric,

    We have some interesting and fun ____ (事情) this term. On ____ (九月) 28th, we have a school ____ (旅行). We will go to Yuliao Beach. We have an a____ festival on October 22nd. I can play the piano in the festival. On November ____ (第十二), we have a basketball game in our school. Do you like sports? Please come to our school ____ (在) November. On J____—the first ____ (月) of a year, we have a New Year ____ (晚会).

This is a really ____(忙绿的) term. I think we will have a good time.

                                                                                                                                                                             Yours,

                                                                                                                                                                               Gina