欧洲的荷兰是世界著名的“低地国”，全国约1/4的陆地低于海平面。造成这现象的主要原因（     ）

在呼啸的海风中,“从澳洲到北极最让人感动的鸟类迁徙”。红腹滨鹬每年4月从澳大利亚越冬地起飞,在中国的渤海湾滩涂湿地停歇补充能量后,再飞往北极繁殖地。结合以下某区域不同季节盛行风向示意图,完成下列问题。

—Yes, his       name is Johnson and his       name is Mike.

    On Sundays we often go to the1near our school. There are many2 in it—tigers, elephants, pandas and monkeys. The3 are very big. They all have4 noses. Their noses can5 them eat and drink. Tigers are very6. They often run around. They don't like to7 in the zoo. Many people like8. They are animals of China. But I like monkeys most. We like9 to the zoo. We can10 more about animals there.