题目

龟兔赛跑的故事流传至今，按照龟兔赛跑的故事情节，兔子和乌龟的位移图象如图所示，下列关于兔子和乌龟的运动正确的是（ ）A. 兔子和乌龟是从同一地点出发的B. 乌龟一直做匀加速运动,兔子先加速后匀速再加速C. 骄傲的兔子在t4时刻发现落后奋力追赶，但由于速度比乌龟的速度小，还是让乌龟先到达预定位移x3处D. 在0~t5时间内，乌龟的平均速度比兔子的平均速度大生活在城市(city)和乡村，哪个更好(better)呢？每个人都有自己不同的见解。请阅读双方的辩论词，并判断对(T)错(F)。 　　　　　 City or village, which one is better?Liu Xing: City is BetterI live in Beijing. It’s a big city. You can see tall buildings everywhere. There are many people. They are busy every day. There are big shopping malls（商场）and restaurants. There are lots of libraries and art galleries（美术馆）, so we can read many books and see great pictures here. I like Beijing very much.Zhao Fan: Village is BetterI live in a village. There is a river in my village. The water is clean. Vegetables and fruit are fresh and healthy. There are many birds. They sing beautiful songs every day. There aren’t many people or cars in the village. It’s very quiet. I like my village very much.【1】Beijing is a quiet city. （_____）【2】There are big shopping malls and restaurants in Beijing. （_____）【3】There aren't many birds or people in the village. （_____）【4】We can see great pictures in Beijing. （_____）【5】In the village, people are busy. （_____）