Read the article and select the best answer. Article: March 21 is World Sleep Day. How's your sleep recently? The Chinese Medical Doctor Association asked 8,200 people in China about their sleep. More than 36.3 percent of them said they often sleep badly. The study also finds that many students have only 5 hours of sleep a day. According to the US National Sleep Foundation, teenagers need 8.5 to 9 hours of sleep every night. What cuts into their sleeping time? Homework. Also, school starts early in the morning. But bad sleeping habits also play a role. Do you like to have a look at your mobile phone before going to bed? The survey finds that 60 percent of people check their phones before they sleep. They read news, check their WeChat or chat with QQ friends. It's important for us to get enough sleep. We feel tired and think slowly. Besides, sleepy kids are often unhappy, says a study by the US National Sleep Foundation. We can't change our school time. But there are still ways to get better sleep. Stay away from coke, coffee and tea at night. They make it hard to fall asleep. Watch less television. Leave your mobile phone and tablet computer on your desk. ,,. Question: How many hours should teenagers sleep every night according to the US National Sleep Foundation? Options: A: 5 to 6 hours. B: 6 to 8 hours. C: 8.5 to 9 hours. D: 9 to 10 hours.
C

Read the article and select the best answer. Article: It is easier to go down the hill than to climb up the hill,so it is easier to fall into bad habits than into good ones.Bad habits do not come suddenly. They come little by little without one being aware of their danger. School boys first pick up little bad habits in the school and on the street. When they can't write their lessons,they copy from their schoolmates. If they see bigger boys smoking,they also want to learn to smoke. If they see their friends gambling ,they want to gamble. When they get bigger,the habits become stronger and stronger,so that they can no longer get rid of(,)them. From copying,they learn to steal,from gambling,they learn to cheat. At last they become distrusted by everybody. How necessary it is that we get rid of the bad habits in the beginning. Question: Bad habits come _ . Options: A: suddenly B: little by little C: faster and faster D: slower and slower
B

Read the article and select the best answer. Article: Vanilla is my best friend. She is a lovely girl with two big, beautiful eyes. But she always hides them behind a pair of black glasses. One day, though, I nearly ended our friendship. I remember that day clearly. We were sitting in class. The teacher was giving us our results for a Chinese test. I had done badly. I felt so sad that I wouldn't talk to anyone. At lunchtime, I even stayed in the classroom alone. Suddenly, I heard a voice. It was Vanilla. "You look very unhappy," she said. "What's wrong?" I looked up at her, but said nothing. I knew Vallina had got a good mark in the test. I thought she was making fun of me. I stayed silent , but Vallina didn't go away. She kept asking me questions: "Is it because of the exam? Do you want me to show you the right answers?" I looked away from her. When I looked up again, Vanilla had gone. And so had my exam paper! I didn't know what to do. I looked everywhere for me paper, but couldn't find it. In the afternoon, Vanilla came up to my desk and gave me my exam paper back. I looked at it and got a big surprise. Vanilla had written the right answer next to every one of my mistakes. My face went red. Vanilla had been trying to help me all along. How mean I had been to her when she was being so nice. I wanted to hug her, but all I did was to hold her hands and say, "Thank you." That afternoon, Vanilla and I walked home together. I felt so happy that I had to thank her again. We were still best friends. Question: The writer felt sad because _ in the Chinese test. Options: A: she got a good mark B: Vanilla had done better than her C: she didn't have a good mark D: the teacher was angry with her
C