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Read the article and select the best answer. Article: When we have small cuts in the skin , something strange may happen. The cuts are able to heal themselves in a couple of days. How does this happen? Read on, and you will find out the secret. Every living thing on the earth is made up of cells . Cells grow and make new cells. Most cells are very small and we can't see them with our eyes. Different cells have different uses. Our skin cells are special ones. The cells on the outside of our skin are old dead cells. New skin cells are right under the outside. These are the living skin cells. They work for our bodies. They help protect our bodies and heal cuts. Our bodies make skin cells all the time. As the old cells fall off, new cells grow in the same place. Each person makes about 18 kg of skin cells during his or her life. Outside skin cells fit together closely with no _ between them. When you cut yourself, you can harm your skin cells. A small cut will not be harmful. Your skin will quickly heal itself by making new skin cells. How do skin cells work? First, the cells near the cut get bigger and move into the gap. Next, these bigger cells meet in the middle. They form a new layer of skin cells. Finally, new cells will grow until the gap disappears. In this way, your skin can grow and get well itself. How amazing the small cells are! Next time you have a cut, don't worry about it. Maybe in a few days, you will be surprised to find it healed. Question: The best title for this passage should be _ . Options: A: How Skin Cells Heal Cuts B: The Importance of Skin C: How to Protect Our Fingers D: The Importance of Cells
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A

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Read the article and select the best answer. Article: Many people don't think that the number 13 is a lucky number. Many hotels do not have a 13th floor. The floors go from 12 to 14, and there is no number13. Some people will never sit at a table with 12 other people. They will tell someone to go or ask another person to sit with them. No one really knows why people do not like the number 13. Perhaps one reason is that when people began to count, they used ten fingers and two hands. This made 12. They could not count more. Some Christians say that 13 is not lucky because there were 13 people at a meal the day before Jesus was killed . In a story about the old Greek gods, 12 gods were asked to a meal but one more came. This made 13. It is why the god Balder, who was at the meal, was killed. Question: Some people will never sit at a table with twelve other people, or _ . Options: A: they will never come for dinner together B: they will ask one of them to leave C: all of them will leave D: they will wait for two other people to come
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B

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Read the article and select the best answer. Article: On a hot summer day, ice-cold watermelons serve up a delicious treat. Sure, the rosy flesh quenches your thirst . But now there are more reasons than ever for people to reach for a slice of watermelon. Meet Dr Alison Edwards. She is a scientist at the Agricultural Research Service. Scientists are people who come up with new ideas called theories . They usually do scientific research to test their new theories. That's how they find out if a new idea is a good one, or if the new idea will bring an even better idea. At her lab, Dr Edwards recently learned more about the secrets of why watermelons are good for you! Dr Edwards has known for a long time that watermelons have vitamin C. But recently she learned that watermelons also have lycopene . It is something that gives tomatoes and watermelons their rosy red colour. What's so special about the lycopene in watermelons? Dr Edwards says that watermelons and tomatoes both have lots of lycopene. It seems that your body can use the lycopene from watermelons more easily than the lycopene from raw tomatoes. In fact, the lycopene from tomatoes is more easily absorbed inside your body once they have been cooked. Question: Which of the following is TRUE according to the passage? Options: A: Our bodies cannot absorb lycopene. B: Watermelons are good for us in hot summer. C: Tomatoes have more lycopene than watermelons do. D: Lycopene in watermelons is hard for our bodies to absorb.
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B