Q: Read the following article and answer the question. Article: One of the easiest and cheapest ways to help your health is just to sleep eight hours or more every night, but more and more people in the world are not sleeping enough. According to the World Health Organization, over half the people in the world may be _ . The result of this is not just a lot of tired people; in the United States alone, sleepy drivers cause at least 100,000 car accidents, and 1,500 deaths a year. Problems with sleep can also cause mental problems, as well as medical problems such as high blood pressure and heart problems. American culture values work and often doesn't value sleep. In fact, people who sleep a lot are often called "lazy". Many famous men say proudly, "I only have time to sleep four or five hours a night." Students, especially college students, often sleep only a few hours a night. They often say, "I'm used to sleeping only a little." But according to experts, sleep is like money. If you sleep only five hours a day, you don't "get used to it", but instead, build up a "sleep deficit ". "It's like a credit card (a card used to buy things or services)," says Dr. James Maas, "You are only borrowing time. You always have to pay it back." The more hours you don't sleep, the more hours you should sleep to "pay back" the hours on your "sleep credit card". For example, if you sleep four hours on Monday and then sleep eight hours on Tuesday, on Wednesday you will still have a "sleep deficit" of four hours. This deficit can continue for months or even years. People with a "sleep deficit" are sleep-deprived. Driving and making decisions can be dangerous for these people. Another research shows people should sleep nine or ten hours every night. More than half the people in the world may be running a "sleep deficit". You didn't do your homework last night? Maybe you can tell your teacher that you were working hard on your sleep deficit. "Don't think you will be doing less work because you sleep during the day. That's a foolish idea which is held by people who have no imagination. You... Question: From the passage we know sleep-deprived people _ . Answer: | OPTIONS:
- are easily tired
- most likely cause traffic accidents
- can have both mental and medical problems
- have all the above problems
A: have all the above problems

Q: Read the following article and answer the question. Article: Comets are parts of our solar system. Like the planets, they go around the sun. But comets are not made of solid rocks like planets. A comet is a ball of dust, stones, and ice. Many people call comets dirty snowballs. The "snowball" may be only a few miles across. But when the sun heats the "snowball," much of it is changed to gases. The gases spread out and form the comet's head, which may be thousands of miles across. A comet moves fast in its trip around the sun. But when we see it, the comet does not seem to move. That's because it is so far away. The moon moves fast, but when you look at it, you can't see any motion . That's because the moon is far away. Each year astronomers discover new comets. Some of them are seen only once. They make one trip around the sun and then go away out into space. The sun's gravity cannot hold them. Other comets, like Halley, keep returning. They have been captured by the sun. Halley's earliest visit was probably 3,000 years ago. It may keep returning for another 3,000 years. But every time a comet goes around the sun, the comet loses part of itself. Gases and dust are pulled out of the comet. That's why Halley is now dimmer than it used to be. Next time it visits us, in 2062, it may be even dimmer. Each visit it may get dimmer and dimmer, until it finally disappears. Question: What is the most likely reason the writer wrote this passage? Answer: | OPTIONS:
- To give information about comets.
- To tell readers about famous comets.
- To explain the importance of comets.
- To encourage readers to look for comets.
A: To give information about comets.

Q: Read the following article and answer the question. Article: The Internet has changed our habits, including our habit of sending greeting cards. There are many e-card websites that make it easy to find the right greeting cards. They have greatly changed the way we send greetings to each other. Our lives have become so busy that we have limited personal time. These e-card websites have allowed everyone to easily share their feelings with each other. They include plenty of greeting cards that can be used immediately. The users can choose any card they like, from festival greetings to birthday wishes. In fact, e-cards are perfect for any event. That's why more and more people like to send e-cards. If the users are interested in making their own greeting cards on the Internet, they can create a card within only a few minutes. They allow you to send your greetings on a special date. So you can plan for the occasion when you want to send the card. For example, you can send your e-card on a certain day and then visit the person with some flowers the next day. This will surely create a good impression on the persons you love and give them a great surprise. We have never forgotten the importance of saying sorry to our beloved ones. But sometimes we fail to do so, because we are not brave enough to face those we hurt. Some e-cards allow us to express our feelings in a more thoughtful way. Although some people still would rather buy traditional cards in the shops for the persons they love, especially when they want the cards to last a long time, more and more people are choosing to send greetings on the Internet. Question: What is the passage mainly about? Answer: | OPTIONS:
- Different cards for different people.
- The writer tries to persuade people not to use traditional cards any more.
- The difference between e-cards and traditional cards.
- Why do more and more people like using e-cards.
A: Why do more and more people like using e-cards.

Q: Read the following article and answer the question. Article: Today is November 8th. It's Gina's birthday. She is twelve. Jim, Kate and Bill are her friends. They want to buy some presents for Gina. They go to the store near the school. There are lots of things in the store. They buy a big cake , two boxes of color pencils, a pencil case and some nice books. They want to buy two dolls for Gina, but the dolls are too dear . Question: _ is near the school. Answer: | OPTIONS:
- Their home
- A factory
- The store
- The farm
A: The store