user: Question: What's the strongest part of your body? Your head? Bones? It's your teeth. There is a special thing called enamel in teeth. It is the hardest thing in the human body and keeps bacteria away. However, teeth are hurt easily to problems and disease. September 20 is National Teeth-loving Day in China. Let's pay attention to the health of our teeth. Teeth problems are common around the world. Most children and young adults have tooth decay . A study which come out on China Health Monthly magazine this year showed that 40.74% of a sample of 1,306 Chinese students under age 15 has decayed teeth. Food that is rich in sugar increases the risk of tooth decay. After you eat, bacteria go crazy over the sugar on your teeth. The bacteria turn sugar into acids that eat away at tooth enamel. This causes holes in your teeth. Another common problem is crooked teeth . When your new teeth begin to grow and the old teeth haven't fallen out, there isn't enough space for the new ones. This causes crooked teeth. Don't worry. Here are some ways to keep your teeth healthy. *Brush at least twice a day in the morning and in the evening. *Learn to use dental floss . The floss gets rid of food that's hidden where your toothbrush can't get it. *Visit a dentist. He or she can check if you have any dental problems and help you clean your teeth. *Pay attention to what you eat. It's better to eat lots of fruit and vegetables instead of fries and drink water instead of soda. *Wear braces  to make your teeth straight and beautiful. Which of the following is NOT a good way to keep teeth healthy? A) Make your teeth straight with braces. B) Brush your teeth twice a day or more. C) Eat much fries or drink much soda. D) See a dentist if you have dental problems.
Answer: C

Question: Reading for pleasure  is the easiest way to become a better reader in English. It is also the most important way. Some students say they don't want to read for pleasure. They say they want to use their time to learn the rules of the language and new words. They say that pleasure reading is too busy. Many experts say pleasure reading is very important for learning English. Dr Stephen Krashen, a famous expert on learning languages, says that pleasure reading helps you learn many important things about English. Students learn more grammar and more words when they read for pleasure. They also learn more about good writing. Dr Krashen tells us that pleasure reading helps each student in a different way. Each student needs to learn something different. Pleasure reading makes it possible for each student to learn what he or she needs. Reading for pleasure is not the same as studying. When you read for pleasure, you choose your own books, and you don't have to remember everything. There are no tests on your pleasure reading books. Pleasure reading will help you: *learn how English speakers use English *read faster in English *find examples of good writing in English *learn new words *learn about the culture of English speakers Each student needs to learn   _  by pleasure reading. A) something difficult B) something different C) something easy D) something important
Answer: B

Question: Guitar Player Wanted Are you a lover of music? Can you play the guitar? Can you sing or dance? Welcome to our Sunshine Rock Band. Please call Mike at 5487-6598 or send an email tosunshine@yahoo.com. Hot Club Do you like to play table tennis? Do you want to play it well? Mr. Zhang is a good teacher. You cancome here every Saturday afternoon from 2:30 to 5:30. Telephone: 8665-7868 Address: Room105, Lantian Hotel. Swimmer Wanted Can you swim? Do you like children? Can you teach them to swim on Sundays? Come and join us. Call Joe at 8472-9999 for more information. Summer Job Do you like to talk with people? Do you like to write stories? Would you like to work for a magazine? Then come and work as a reporter. Please call Karen at 5561-8823. ,. Who can teach you to play table tennis? D. Karen. A) Mike. B) Joe. C) Mr. Zhang. D) Karen
Answer:

assistant: C