*Question*
Read the article and select the best answer. Article: Brush your teeth every day, dentists say. In the south of Africa, some people brush their teeth all day long. They keep a small stick in their mouth to chew or scrub their teeth all day. People cut the sticks from trees. They are the African toothbrushes. People there are used to brushing their teeth with sticks. Africans think the sticks work better than toothbrushes. The sticks come from nature, and it is said that there is something special about them. The special thing may stop many kinds of tooth problems. "If you have a bad tooth, it is a medicine," said Diop, a seller in Africa. The sticks are also much cheaper than toothbrushes. In Senegal ,the chewing stick is called "sothio". It means "to clean" in their language. In east Africa,the stick is called "mswaki". It's their word for "toothbrush". Even the dentists agree that the sticks seem to clean teeth better. Nowadays, some nice health stores in the United States start to sell chewing sticks. They think that the stick is natural kind of tooth care. Question: When do the people in the south of Africa brush teeth with sticks? Options: A: In the morning. B: In the afternoon. C: In the evening. D: All day.
**Answer**
D

*Question*
Read the article and select the best answer. Article: Do you like drinking Coke? As a symbol of American culture, Coca-Cola is liked by many people, especially young people all around the world. But from now on, perhaps it will be hard for students in the US to get it on campus. A new agreement will end almost all sales of high-sugar fizzy drinks in US schools. The agreement allows only unsweetened juice, low-fat milk and water in primary and middle school vending machines and cafeterias. Former American president Bill Clinton helped the American Heart Association and the beverage industry to come up with the agreement. He suffered from a weight problem and has had a heart operation since leaving the White House. He takes the agreement as "a bold step forward in the struggle to help 35 million young people lead healthier lives". Rising childhood obesity has become a big problem in America. A federal report noted that obesity has _ among teenagers in the past 25 years. It called for new limits on the marketing of junk food to children. Soda is a particular target because of its caloric content and popularity among children. Britain has already taken similar steps to fight obesity. A recent study shows that people in the UK are much healthier than the people in the US. However, it's better late than never. Now American schools are trying to make new rules to guide the students to choose healthy drinks. American schools say goodbye to Coca-Cola. Question: Which is the best title of the passage? Options: A: Say "Goodbye" to Coca-Cola B: The Junk Coca-Cola C: Coca-Cola in China D: Coca-Cola in the World
**Answer**
A

*Question*
Read the article and select the best answer. Article: Brush your teeth every day, dentists say. In the south of Africa, some people brush their teeth all day long. They keep a small stick in their mouth to chew or scrub their teeth all day. People cut the sticks from trees. They are the African toothbrushes. People there are used to brushing their teeth with sticks. Africans think the sticks work better than toothbrushes. The sticks come from nature, and it is said that there is something special about them. The special thing may stop many kinds of tooth problems. "If you have a bad tooth, it is a medicine," said Diop, a seller in Africa. The sticks are also much cheaper than toothbrushes. In Senegal ,the chewing stick is called "sothio". It means "to clean" in their language. In east Africa,the stick is called "mswaki". It's their word for "toothbrush". Even the dentists agree that the sticks seem to clean teeth better. Nowadays, some nice health stores in the United States start to sell chewing sticks. They think that the stick is natural kind of tooth care. Question: Who brushes teeth with sticks first according to the passage? Options: A: The Africans. B: The Americans. C: The Chinese. D: The dentists.
**Answer**
A

*Question*
Read the article and select the best answer. Article: Put 2 February in your diary! It is World Wetlands Day! It marks the date that the Convention on Wetlands was signed in1971.This special day was first celebrated in 1997 and it is celebrated every year. The celebration is a call for action. It is a way to show people how important and useful the wetlands are for people. On World Wetlands Day, people around the world take part in many wetlands activities. People take trips to the local wetlands. There are talks about how important the wetlands are. People get together to clean up their local wetlands Children draw pictures to advertise the day. People also compete in boat races. The World Wetlands Day is important! If there are no wetlands, there will be no water for anyone in the future. Wetlands help protect nature and resources like fresh water. Already, more than 10000 million people in the world do not have fresh water. Many people do not know how important the wetlands are. They can understand why an elephant or a tiger is important because they are big, beautiful animals. It is much harder for them to understand how important the animals in the wetlands are. These small animals, such as frogs and snails, play a very important part in keeping the balance of nature. All plants and animals are part of the food chain .If the small wetlands animals die, some animals in the food chain will have nothing to eat. They will also die. People need the wetlands to keep the balance of nature in the world. If we do not protect nature today,it will be gone tomorrow. Question: Which of the following might be the best title of the article? Options: A: Wetlands Are Important B: Small Animals Are Also Important C: World Wetlands Day D: Food Chain
**Answer**
A