already export (出口) Swiss Alpine water, chocolate and cheese. Why not export our clean air too?” wrote the company on its website. “It is the best air in the world.” TEENS ……

without crossing land. This makes it Earth’s cleanest air.“Our job is to find air as clean.... This makes it Earth’s cleanest air.“Our job is to find air as clean as you’re likely ……

1Pollution brings harm空气污染可能让人更暴力。We all know air pollution is bad for our health. But it can also harm us in other ways. Scientists have found that air pollution may lead to more violent crime (暴力 ……

House plants (室内盆栽) help clean the air in our homes. They also make our homes lively (有生...) they need? Let’s listen to what the plants “say”.学语法I like ...I prefer ... ……

export (出口) Swiss Alpine water, chocolate and cheese. Why not export our clean air, too?” w rote the company on its website. “It is the best air in the world.” TEENS ……

any land. This is why it is the global standard for clean air. “Our job is to find air... for clean air. “Our job is to find air as clean as you’re likely to find anywhere ……

”. We open our windows, put away our winter clothes, and clean our homes. In spring, we have...IT’S the time of year when flowers bloom (绽放) and the songs of birds fill the air, again. After ……

. A Dutch artist has made a tower that takes in smog and gives off clean air. This tower is 7 meters tall and is the biggest air cleaner in the world, according to Chinanew.com. It can clean the air ……

After President Xi Jinping praised the clean and fresh air in Guizhou province at this year... for a global competition of plans to commercialize the province’s clean air and promote its tourism.  ……

. In 36 hours it can clean the air in a place as big as a soccer field, said Roosegaarde.Now... better air. Daan Roosegaarde made a smog free tower (塔). Roosegaarde is from the Netherlands (荷兰 ……

and the city’s government announced measures (措施) to try to clean up the air. All building work...印度首都新德里雾霾爆表。 This month, people in New Delhi, the capital of India, suffered from smoggy air ……

. The air is very bad for our health. The government is determined (坚决的) to fight air pollution until...) in our nose, and so travel directly to our lungs.“The starting point of the plan is to improve air ……

are the nerve fibers (纤维) that are responsible for sending touch and pain messages to our brains. According to Abdelmalek, there are a lot of pain receptors in our hands and fingertips. “If we touch ……

are at home, we need to clean our houses every day. At school, we must keep our classrooms clean and tidy...秋冬季节是感冒等流行性疾病的高发时期，甲型流感等传染性疾病也时有发生。为了使自己少受疾病危害，日常生活中我们该怎么办？应该注意哪些问题？请就这些问题，给Teens写一篇80词左右的征文，谈谈 ……

NOWADAYS, the air is full of dust (灰尘). The water is no longer clean and clear. The land is much... is. The polluted water and air can make us unhealthy. We can’t plant anything on poor land, so we will have ……