杭黄高铁将于2018年6月建成，它连接杭州与黄山，穿越浙江、安徽两省，线路把名城(杭州)、名江(富春江、新安江）、名湖(千岛湖)、名山(黄山)串连起来，形成了一条世界级黄金旅游通道。杭黄高铁全线隧道比重大，其中天目山隧道长达1万多米，是浙江最长的隧道。下图示意杭黄高铁线路走向。

综合题

2015•永州）从生物的生活环境来看，生物进化的趋势是（ ）

    This is my classmate. She's a girl. Her name is Jane. She's twelve years old. She's thin and tall. She has long and black hair. She has two big eyes and a small nose. She has a skirt. It's red. She has a pair of trousers, too. They are red. But her skirt is old. She wants to buy a new skirt. Look, what can she do? Oh, she can skip a rope. This is her rope. It's long. It's blue.