默写。

①我寄愁心与明月，____。（李白《闻王昌龄左迁龙标遥有此寄》）

②____，洪波涌起。（曹操《观沧海》）

③潮平两岸阔，____。（王湾《次北固山下》）

④____，却话巴山夜雨时。（李商隐《夜雨寄北》）

⑤最爱湖东行不足，____。（白居易《钱塘湖春行》）

⑥____，志在千里。（曹操《龟虽寿》）

⑦____，思而不学则殆。（《论语》）

⑧____，禅房花木深。（常建《题破山寺后禅院》）

根据材料内容，选择正确答案。

    Do you know fish come out of eggs when they are born? After the little fish comes out of the egg, it eats the food in the egg. When it is big, it leaves the egg. It swims in the water. You can see the eyes and nose. Its ears are hidden in the head.

    Spree fish eat other fish. Some fish have small mouths and teeth and they often eat plants.

一般来说，气候温暖湿润、地形平坦、交通便利的地区人口稠密。据此判断下列地区中人口最稠密的是（　　）