Read the following article and answer the question. Article: Scientists who study the climate are still arguing about how fast the earth is warming and how much it will warm, but they do agree that the earth is warming and that it will keep warming if we don't do anything about it. Scientists agree that the burning of fossil fuels like oil and coal cause greenhouse gases to escape into the air and that these gases are causing most of the warming. Another cause is deforestation (cutting down trees) . Trees _ carbon dioxide, one of the greenhouse gases, from the air. There are already some changes happening because of global warming. Sea level is rising and some animals are already moving to new homes. It's already too late to stop global warming completely. If the warming gets worse, as scientists expect, there may be some kinds of plants and animals that is disappearing because they can't move to new homes. There may be more storms and floods. Sea level may rise so much that people have to move away from the coasts. Some areas may become too dry for farming. Global warming is a very difficult problem to fix. People are having a hard time agreeing on what to do about it. For example, everyone agrees that wasting energy is a bad thing to do. But some people think that the federal government should make laws about it, while other people think it should be up to each person or business to decide what to do. Many states and businesses in the United States are not waiting until the federal government decides what to do. They have already started working on the problem. Question: What may be the causes of global warming? Answer:
OPTIONS:
- The disappearance of plants and animals and the wasting energy.
- The burning of fossil fuels and storms and floods.
- The burning of fossil fuels and deforestation.
- The rising of sea level and deforestation.

Answer: The burning of fossil fuels and deforestation.

Read the following article and answer the question. Article: "On a spring night, we offer book lovers a desk and a light. You can stay here as long as you want to." This is the slogan of Sanlian Taofen Bookstore in Beijing. Earlier this month, Sanlian Taofen Bookstore became the first 24-hour bookstore in the city. It hopes to encourage more people to read books. Bookstores are the brain of a city. Although many people can now buy books online, many readers still like the feeling in bookstores. They can touch the books and smell the print In China, most cities are home to at least one bookstore. Some have special themes . Popular Holdings ( ) in Shanghai is a film-themed bookstore. There are film books and posters inside. Other bookstores have colorful activities. Eslite Bookstore in Taiwan has activities like talks with famous writers as well as holding gallery shows . People come here not only for reading but also to communicate with others. Question: What's special about Sanlian Taofen Bookstore in Beijing? Answer:
OPTIONS:
- Itallowsreaderstostaythereonlyatnight.
- Itoffersreadersadeskandalight.
- Itisthefirst24-hourbookstoreinthecity.
- Ithopesbookloverswillreadthere.

Answer: Itisthefirst24-hourbookstoreinthecity.

Read the following article and answer the question. Article: I work in a small shop. It is near a factory. Every day, workers, old ladies and housewives come to the shop to buy things. I live in a house not very far from the shop. I usually get up at six, have breakfast and then go to work by bike. I take some food along in my lunch box. I get to the shop at about ten to seven. At seven customers begin to arrive. They buy meat, eggs, sugar, soybean, sauce, cooking oil , salt, candies, biscuits and many other things. We don't sell vegetables or fruit. There is a shop for these things nearby. I have my meal at noon from my lunch box. At seven in the evening we close the shop. I tidy things up and then go home for supper. Some people may think my work isn't so interesting. But I do my bit for the modernizations , don't I? Question: Her house is _ the shop. She often goes to work _ . Answer:
OPTIONS:
- very far from; by bus
- very close to; by bike
- very far from; by bike
- very close to; on foot

Answer:
very close to; by bike