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.
A

Read the article and select the best answer. Article: Passage 4 How dangerous it would be if there was a fire! Today is in winter. It's time for us to learn a lot more about fire, especially what to do if we are caught in a fire: 1. Shout out If you smell smoke or see fire, shout out "Fire!" Shout as loudly as you can, because people may be asleep. 2. Call 119 Never try to put the fire yourself, even if it is a very small one! Get help from your parents or call 119. 3. Keep down close to the floor If there is a lot of smoke in your room, keep down close to the floor. 4. Test the door Test the door before you open it. If the door is cool, open it carefully. If the door is hot, do not open it! Try to find a different way out. 5. Get out If you can, get out of your home as soon as possible. 6. Don't use the lift Never use the lift during the fire. It may also go wrong. 7. Don't go back Never go back into a burning building! Question: When a fire is burning, you test the door to _ Options: A: find a better way out B: notice the fire clearly C: call for a much quicker help D: see if it is close
A

Read the article and select the best answer. Article: It's Sunday morning. My parents, my uncle, my sisters and I are all at home. What is my father doing? He is reading a newspaper. My mother is watering the flowers in the small garden. There are some beautiful flowers in it. Some are red, and the others are yellow. My uncle is my mother's brother. He's a waiter. He is watching TV now. He is a basketball fan . And he is good at playing basketball. Now he is watching NBA on TV. Where are my sisters? Cindy is over there. She is listening to the radio . She likes popular music very much. Nancy is in her room. She has a computer. Now she is surfing the Internet . She's writing an e-mail to her friend. What am I doing? I'm doing my homework. " Question: Which is not true ? Options: A: Nancy likes popular music very much. B: There are some red and yellow flowers in the garden. C: Uncle is good at playing basketball. D: My mother is a good English teacher.
D