A:6.15m/s,6.15m/s;
B:0,6.15m/s;
C:6.15m/s,0;
D:0,3.3m/s。
雨过天晴,几位同学结伴去郊游.郊外呈现出一幅生机、和谐的画面:草地上,蚯蚓在蠕动;草丛中,蜥蜴探出可爱的脑袋;树梢上,鸣蝉在高声歌唱;嫩叶上,蜗牛在贪婪地啃食;池塘里,成群的鲫鱼在游动;近处,一群麻雀在欢快的觅食;远处,两头水牛在悠然地吃草…请你结合上述短文中提到的动物作答:
—I lost touch with my teachers after I graduated from high schoo1.
—I still my teachers from high schoo1.
有关亚马孙河流域热带雨林的叙述,错误的是( )