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* Enter the RD Travel Sweeps by 11:59 pm EST on June 14, 2018.
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1.When is the deadline for the contest?
A. June 24, 2018. B. June 14, 2018.
C. June 28, 2018. D. June 18, 2018.
2.Who is allowed to participate in the competition?
A. Anyone in the USA. B. Anyone across the world.
C. US citizens of 21. D. Legal US citizens aged 21 or older.
3.Where can you probably find the passage?
A. On the Internet. B. In a textbook.
C. In a newspaper. D. In a travel journal.
难度: 中等查看答案及解析
You don’t have to be a superhero to help the environment. Even small, simple actions can add up to big change. People around the world will celebrate Earth Day on April 22. But anyone – including kids – can work to help the earth at any time. TFK (Time for Kids) talked to a few kids about how they are protecting the planet. Let them inspire you!
Mari, 10, lives in Flint, Michigan, where people have been without clean drinking water since 2014. That is when the water became polluted with lead（铅）. Children in Flint have suffered from health problems due to lead poisoning. Mari has worked hard to spread awareness of Flint’s water crisis by organizing fundraisers and other events.
At age 3, Ryan went with his dad to recycling center near his home, in Orange County, California. The next day, Ryan began collecting recyclables from neighbors. Soon, Ryan’s Recycling Company was born. “Recycling keeps bottles and cans out of the ocean,” Ryan, now 8, told TFK, “so animals don’t get sick from them and die.” So far, Ryan has helped customers recycle 320,000 bottles and cans. He has also donated nearly $6,000 to the Pacific Marine Mammal Center.
Joris, 11, has always loved cheetahs. When he learned that the big cats might disappear in his lifetime, he set out to help protect them. Joris began raising money. So far, Joris has raised more than $14,000. The money goes to a wildlife sanctuary（避难所）in Namibia, a country in Africa. This helps prevent the animals from being killed. Jorin has spent three summers volunteering at the sanctuary.
1.What caused health problems for children in Flint?
A. Poor diets. B. Lack of water.
C. Polluted water. D. Poisonous gas.
2.How does Ryan help protect the earth?
A. By raising money. B. By collecting recyclables.
C. By saving water. D. By rescuing cheetahs.
3.Why did Joris raise money?
A. To feed cheetahs. B. To help the poor.
C. To celebrate Earth Day. D. To protect cheetahs.
4.What is the best title for the passage?
A. TFK Kid Reporters B. Earth Day Celebrations
C. Kid Heroes for the Planet D. Superheroes in the World
难度: 中等查看答案及解析
China is known for its long history, rich culture, and cute pandas. It’s also known for some of the worst air quality in the world. But the Asian country is now using a natural weapon against air pollution – trees.
In February, China’s government announced plans to cover at least 32,400 square miles with forest. That is about the size of Ireland. Some 60,000 soldiers will take charge of the tree-planting program. Most of the trees will be planted in Hebei Province. That is an area surrounding China’s capital, Beijing.
Huang Wei is an environmentalist who works for Greenpeace East Asia. She is optimistic about the plan. “Trees act as a sink to absorb carbon dioxide and other pollutants,” she said. Carbon dioxide is a gas that traps the Earth’s heat. It contributes to global warming.
Why is China’s air filled with harmful chemicals? It’s because the country relies on coal-fired power plants. When coal is burned, PM2.5 is produced, PM2.5 is a pollutant. It can cause shortness of breath, heart attacks, and even death.
Just two years ago, pollution levels were so high in Beijing that schools and factories had to close. Huang hopes China’s tree-planting plan will reduce the nation’s suffering from air pollution.
The Chinese government is getting help from others in its drive to make the nation greener. Stefano Boeri is an Italian architect and urban planner. He is leading an effort to plant vertical（垂直的）forests in China.
Boeri’s designs have already taken root in the city of Nanjing, China. That’s where the Nanjing Green Towers are under construction. The building has two towers. Thousands of trees and hanging plants will grow on the balconies and rooftops.
Boeri says his goal is to design buildings that help the environment and improve air quality. He also hopes to encourage a new generation of green architects.
1.What’s China’s solution to the air pollution problem?
A. Closing the factories. B. Planting more tress.
C. Using natural gas. D. Making more rules.
2.What’s the Huang Wei’s attitude to the new plan?
A. Puzzled. B. Confident.
C. Uncertain. D. Unconcerned.
3.Which of the following can best replace the phrase “contributes to” in paragraph 3?
A. leads to B. attaches to
C. gets close to D. looks forward to
4.What’s special about Boeri’s building design in China?
A. It is environmentally friendly.
B. It is based on classical buildings.
C. It often features two towers.
D. It aims to save public space.
难度: 中等查看答案及解析
Plastic is easy, convenient, cheap and long-lasting, but it does great harm to the environment.
Since plastic entered mass production, 8 billion tons have been produced – and we aren’t very good at recycling. By 2015, 6,945 tons of plastic waste had formed, with around 9 percent of it getting recycled. About 79 percent of it ends up in landfills or around the environment, including the ocean. We may end up drowning in plastic before long.
Chemists at Colorado State University have found a polymer（聚酯）that has many of the qualities of plastics – it’s light, strong, durable and heat-resistant – but that can be changed back to its original small-molecule（分子）state for complete recycling. Even after being recycled, the polymer can be turned back into its plastic-like state, and this can be done quickly and cheaply.
This new polymer has all the good qualities of plastics, yet it is relatively easy to make and to recycle. Making it requires room temperature conditions, a short reaction time to bond the monomer（单体）into polymers and only a small amount of the catalyst（催化剂）remains in the end product. It has a high molecular weight, stands up to heat and generally behaves like plastic. Recycling it requires similarly little effort. Mild lab conditions are required and so is a catalyst. Once applied, the polymers are once again monomers in a matter of minutes and can be used to create another product.
But don’t get too excited about this just yet. Scientists stressed that the polymer isn’t ready for mass products just yet. There’s still plenty of development to do, including making it more economical to produce and recycle.
1.What can we infer from the second paragraph?
A. It is impossible to recycle old plastics.
B. 79 percent of plastics has been recycled.
C. Small quantities of plastics get recycled.
D. Landfills aren’t enough to handle plastics.
2.What aspect of the new polymer is the third paragraph mainly about?
A. Its purposes. B. Its qualities.
C. Its structures. D. Its applications.
3.What conditions are needed when making the new polymer?
A. Mild temperature. B. Cold temperature.
C. Body temperature. D. Room temperature.
4.The new polymer isn’t mass-produced probably because ________.
A. it is not very cheap B. it seems too light
C. it is hard to recycle D. it can’t stand cold
难度: 困难查看答案及解析
Everyone loves getting cards on their birthday. For Bailey Sellers, the card from her father is a card, one that she’ll ________ forever.
Her father, Mike Sellers, died of cancer in 2013, just a few months ________ her 17th birthday. But her dad made sure he could still ________ her special day, even in death. Before his death he prepaid a flower shop to ________ flowers and a card to her every year on her birthday. The last flowers and ________ came last week, for her 21st birthday.
In the card ________ came with this year’s flowers, Mike Sellers told his daughter, “This is my ________ letter to you until we meet again. You are and will always be the most precious ________ I was given. I will still be with you through every milestone. Just look around and there I will be.”
_____ by her late father’s gesture, Sellers posted a photo of the flowers, the card and an old ________ of her dad raising her up on his shoulder during a long ago trip to the beach.
“Miss you so much daddy,” the post ________, with a little purple heart. The post moved thousands of people, who not only ________ it but also told their own stories of how they ________ the pain of losing a parent. Sellers ________ that pain; she said she became ________ after her father’s death. So now she’s studying psychology（心理学）, hoping to be able to one day help people get out of the kind of ________ that once enveloped her.
“He would be so ________ that he pulled off such a beautiful gesture, which offers an important ________ for all of us. He made people ________. He made people realize that they shouldn’t take the people who ________ them for granted.”
1.A. collect B. value C. receive D. play
2.A. after B. until C. since D. before
3.A. celebrate B. enjoy C. spend D. spare
4.A. produce B. deliver C. buy D. take
5.A. card B. story C. gift D. letter
6.A. what B. whether C. that D. as
7.A. first B. second C. fourth D. last
8.A. star B. flower C. jewel D. honey
9.A. Touched B. Appreciated C. Admired D. Disappointed
10.A. memory B. photo C. book D. gesture
11.A. started B. whispered C. began D. ended
12.A. respected B. heard C. expanded D. shared
13.A. dealt with B. kept out C. carried on D. settled down
14.A. puzzled B. measured C. understood D. doubted
15.A. frightened B. upset C. terrified D. hurt
16.A. happiness B. worry C. fear D. sadness
17.A. proud B. confused C. content D. shocked
18.A. hope B. example C. lesson D. milestone
19.A. angry B. happy C. surprised D. bored
20.A. look around B. stand for C. care about D. think of
难度: 中等查看答案及解析
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。
On Monday, World Health Organization (WHO) stated a plan to rid the world’s food supply of trans fats（反式脂肪）. These unhealthy things have been related to many illnesses. WHO is a United Nations organization 1. works to improve good health around the world. Its plan is called REPLACE. The step-by-step guide is designed 2. (help) world governments remove trans fats 3. their foods within the next five years.
Trans fats 4. (use) in baked goods and fried foods. Food companies use trans fats to keep foods for longer periods of time. But the things can be deadly. WHO says that 5. (eat) foods with trans fats results in more than 500,000 deaths from heart disease every year. Trans fats are a harmful substances and can be removed 6. (easy) without major cost and without any effect on the quality of the foods.
Denmark 7. (be) the first country to ban trans fats 15 years ago. The United States and 40 other 8. (country) soon followed. “Why should our children have such 9. unsafe substance in their foods?” Dr. Tedros Ghebreyesus asked in an interview. He is WHO’s director-general. He said that the plan could “make food systems much 10. (healthy) for future generations.”
难度: 中等查看答案及解析
假定英语课上老师要求同桌之间交换修改作文，请你修改你同桌写的以下作文。文中共有10处语言错误，每句中最多有两处。每处错误仅涉及一个单词的增加、删除和修改。
增加：在缺词处加一个漏字符号（∧），并在其下面写出该加的词。
删除：把多余的词用斜线（\）划掉。
修改：在错的词下划一横线，并在该词下面写出修改后的词。
注意：1. 每处错误及其修改均仅限一词；
2. 只允许修改10处，多者（从第11处起）不计分。
To provide a better environment for we to read and study, our school has rebuilt the library. I can’t wait share with you the great changes what have taken place there.
Large than before, the new library can be hold 500 people studying and reading there. What’s much, the library has bought more new books, which are high thought of by both teachers and students. Besides, having bringing in 100 computers, the libraries allows us to have access to famous universities online libraries. It will be of great help to our studies.
Isn’t it amazing to be able to read and study in such the wonderful library?
难度: 困难查看答案及解析
假设你是李华，你与父母打算下周去纽约度假，需要你的美国朋友Bob帮助。请你给他写一封电子邮件。
内容包括：1. 推荐旅游景点；
2. 帮助联系旅行社；
3. 希望他去机场接你们。
注意：1. 词数100左右；
2. 可以适当增加细节，以使行文连贯。
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难度: 中等查看答案及解析