青春期的发育特点是（ ） A．身高突增 B．神经系统的功能无明显变化 C．性器官 发布时间：2017-06-22 15:51 │ 来源：www.tikuol.com 题型：选择题 问题： 青春期的发育特点是（ ）A．身高突增B．神经系统的功能无明显变化C．性器官不发育D．以上都是
题型：选择题 任务型阅读。Countries In 1 countries In rich countries Phenomena (现象)A lot of people in poor countries can not eat 2 food.People in rich countries eat too much.Children are hungry.Many people have to 3 weight by going on a diet or 4 Difficult problems The land is too poor for plants to 5 The air and the rivers are 6 .There is a lot of 7 and people in the roadsand the streets.Solutions (解决方法)People should learn how to 8 their land and find the water.Make the air and the river 9 10 more houses. The world is divided into(被分为)two important parts. One half of the world is rich and the other half is poor. In the poor part, a lot of people never get enough to eat. In the rich part, a lot of people eat too much. In one part, children are hungry and in the other, a lot of people are fatter and fatter and have to goon diets or do some exercise to lose weight. For example, a dog or a cat in North America eats better than a child in the poorer countries. The poor countries have some difficult problems. Sometimes the land is too poor to grow anything on.The land can get better, but people have to do a lot of things first. More experts (专家)should go there to teach people how to enrich their land and how to find water. But rich countries have problems, too. They are not always pleasant places to live in. Sometimes the air is too dirty to breathe (呼吸)and the rivers are too dirty to swim in or to take water. The roads and thestreets are full of people and buses. Cars usually move very slowly. Noise is terrible. A lot of people do not have houses to live in. People must do something about these problems. We should do something to make the air and the rivers clean and build more houses. But it will take a long time. 查看答案