【推荐2】阅读下面短文，在空白处填入1个适当的单词或括号内单词的正确形式。
       My guide is Zhaxi, a     1     (village) from Changtang. He    2     (work) at the Changtang National shelter for the    3     ( animal) and plants of     4     ( northwest ) Tibet. To Zhaxi, the land is sacred and     5     ( protect) the wildlife is a way       6       life. We're not trying to save the animals," he says.     7     ( actual) , we're trying to save ourselves."

【推荐3】China’s first overpass for wildlife migration has already come into use. The bridge     1    (lie) over the newly constructed National Highway 214 is able to link animal habitats separated by the road.     2    (cover) with sand―much like the surrounding land, the overpass can fit in with the environment well.

It’s about two years since the national highway     3     (begin) and it is designed with environmental protection as a top priority. A project environmental engineer for the highway said they based the construction of these man-made corridors（通道）    4     years of observation of wildlife migration in the region. The bridge, for example, is built according to the region’s natural conditions and with     5     purpose of reducing the highway’s effect on the animals significantly. Wildlife overpasses and underpasses assist animals     6     (safe) crossing over or under busy roadways and allow them to continue to use their customary paths,     7     would otherwise be blocked.

Those passageways, with a total     8     (long) of 59 kilometers, enable antelopes and other animals to cross the railway freely. So far, China has put great effort into achieving     9     (harmony) coexistence between human development and the protection of wildlife. The Qinghai-Tibet Railway, the world’s     10     (high) railroad, has 33 underpasses for migrating animals.

【推荐2】语法填空

In the last 500 million years, there have been five mass extinction events on Earth. In the third event,     1     is known as the “Great Dying”, 90% to 96% of all species died out. Of course, species died out due to many     2     (cause). But nowadays, human activity has affected all types of species that we depend on for living. We need to take action     3     (avoid) the sixth mass extinction. We should take steps to save endangered animals and plants, and set up special areas to take care of them     4     the next extinction comes that may wipe out the entire species.

【推荐3】阅读下面短文，在空白处填入1个适当的单词或括号内单词的正确形式

Bamboo(竹子)is called “poor people’s material” and even in China it is not     1     (wide) accepted as a modern building material. But bamboo makes nearly the lightest houses, which     2     (be) a lot better than “modern” materials at surviving earthquakes.

And unlike the “Tofu” buildings that may     3     (destroy) in just several seconds in some earthquakes, bamboo makes a much     4     (safe) building. That is why it is suggested as a replacement(替代品)by International Network for Bamboo and Rattan (INBAR).

INBAR notes that     5     number of people who do not have safe and healthy shelter will increase with population growth if no proper action is taken.

Study shows that bamboo is excellent in     6     (strong) and is as strong as wood. Besides, because     7    the lightweight and good elasticity(弹性)of bamboo, bamboo buildings are very good at resisting(抵抗)earthquakes. For example, all of the 30 bamboo houses survived without any damage in the 7. 6 magnitude earthquake in Costa Rica in 2012.

Ancient Chinese people preferred living in houses     8     (make) of bamboo. In Yunnan Province, some locals still live in bamboo homes which can protect     9     (they) from rain and wind. And in Zhejiang Province,    10     bamboo is plentiful, local officials have been encouraging architects to design buildings using bamboo.

【推荐1】阅读下面材料，在空白处填入适当的内容（不多于3个单词）或括号内单词的正确形式。

Every year, approximately 1.6 million tons of soil flows into Yellow River, China’s second     1     (long) river. The soil contains materials to keep the natural balance of the area.Over time, a lot of soil     2     (remove), which has caused serious erosion of the land     3     the River. In some areas in Shanxi Province, this has destroyed almost all the land, and has forced many local farmers     4     (move) to other areas.

    5     is a huge job to control Yellow River erosion. Many people believe this kind of work is best done by government or international     6     (organize). You may agree with this point of view. If     7    , it is time for you to think again.

In fact, it is you     8     have the most important role to play in stopping Yellow River erosion. Did you know the importance of your 5 yuan? For a start, it can buy you a tree,     9     will help make soil stay on the land. On land with rich soil, local farmers can grow crops to make     10     living, with the money they earn from their crops, farmers buy goods or services. This helps to develop local economies.

【推荐2】阅读下面材料，在空白处填人适当的内容(1个单词)或括号内单词的正确形式。

Rainbow-colored rubbish is the colorful waste created by a Swedish city with a unique cycling system. Like many cities in Sweden, Eskilstuna has an    1     ( impress) recycling record.It    2    (meet) the EU' 2020 target of recycling 50% of waste many years ago. People are expected to sort their household waste    3     seven separate categories, including food and metal. But    4    really makes the system stand out is the bright color code.

Thanks to those bright colors, scanners can select the bags and separate them    5    (efficient). The food waste in green bags is processed on site into slurry (浆) to make biogas,     6     powers the city's buses. One of the    7    (benefit) of this method is that there is less cross-pollution, so more of the recycled waste can actually be used    8    (make) new things.

Eskilstuna is committed to sending zero waste from its citizens to landfill(垃圾填埋场). Waste that can't be recycled    9    ( burn)at a local plant to produce electricity.   As countries around the world try to improve their recycling rates, some may look to Eskilstuna as    10         example to follow---as long as they think they can persuade their citizens to get busy sorting waste at home.

【推荐3】阅读下面材料，在空白处填入适当的内容（1个单词）或括号内单词的正确形式。

You may notice just how much food waste we create     1     you often cook at home this year. Even if we are careful not to waste edible food, wastes like potato     2     （skin）, banana peels, and apple cores pile up.

Food waste is a major problem     3    (global), We waste or lose about a third of all the food we grow. There are a lot of wasted resources: Wasting the land on which the food    4    (grow), the energy that is used to grow, transport, and process it, wasting water, wasting money and wasting work. On top of it all, landfilling food waste emits the potent greenhouse gas methane (甲烷)，which leads    5    climate change.

But a coalition of the world's giant food companies strongly support     6    new initiative (倡议)that aims to tackle this problem. How? By preventing waste whenever we are possible. And by turning what can't    7     (prevent) into renewable energy.

Earlier this month, renewables company Vanguard Renewables made an     8     (announce) that it would join Starbucks, Unilever, and Dairy Farmers of America    9     (establish) the Farm Powered Strategic Alliance (FPSA). It aims to turn unavoidable food waste into renewable energy by    10     (use) on-farm anaerobic digesters. It is high time that we should save food.