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Read the following article and select the best answer. Article: Can you remember a morning when you've woken up to the ring of your alarm clock and wished you could stay in bed? You haven't slept well, your hair is a mess. Worse, you can't stop yawning. Yawning is universal to humans and many animals. Cats, dogs and fish yawn just like humans do! Yawning is an involuntary(,) action during which you open your mouth and breathe deeply. The average duration of a yawn is about 6 seconds. The purpose and cause of yawning are still a mystery. Scientists are not sure what causes a yawn. People yawn when they are tired or bored, but they also yawn when they aren't. There are many ideas explaining why we yawn. One idea is that yawning is a way for the body to become more alert by taking in more oxygen. A yawn increases the heart rate, forces carbon dioxide out of the lungs and blood stream, and brings oxygen to the brain. But one study showed that volunteers given a lot of oxygen did not yawn any less than before, while those given a lot of carbon dioxide did not yawn more. Another idea is that early humans used yawning as a form of communication. If one decided it was time to sleep, they would tell the others by yawning and they would do it in return to show they agreed. A third explanation comes from psychology professor Gordon Gallup of University at Albany in New York. He said that as people yawn, they cool off their brains. "Brains are like computers." he said. "They only operate efficiently and effectively when they're cool. Many things connected to yawning, like being tired, make the brain hot, and yawning can reduce the heat." Scientists have sent people into space, and created terrible nuclear weapons, but there are lots of seemingly simple things, such as why we yawn, or hiccup , that they can't figure out. Next time you are in class in the morning, let out a big yawn and watch to see how many of your classmates yawn in response! Question: What's the purpose of the description of how bad you may feel when you're woken up in the morning? - To explain why humans yawn. - To explain how humans start yawning. - To lead into the topic of yawning. - To complain about being woken up by the clock.
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To lead into the topic of yawning.

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Read the following article and select the best answer. Article: 1 On Friday, January 14, 2005, my cousin, Kara Rose, came into the world. 2 She looked perfectly healthy from the outside, but on the inside, the doctors had failed to discover a serious problem. 3 She often had trouble breathing and then turned blue. 4 The doctors found that Kara had been born without part of her heart. 5 They didn't think she would live long enough to leave the hospital. 6 When she was four days old, she had her first operation. 7 My family stayed together during this hard time, hoping everything would turn out for the best. Kara's strength and determination to live were strong. Eventually, she could go home. We all waited patiently for new technology that could give Kara a new heart. When she was eighteen months old, her parents took her to a famous surgeon who performed a series of operations. There was no guarantee she would make it through the operation, but she succeeded. Kara grew stronger every day, and it was not long before she was well enough to be around people. She had an amazing character and always wore a sweet smile. When she fell asleep against my body, happy and content, I realized how valuable life really is. As I took her in my arms with her warm breath against my neck, I decided to live every day of my life to the fullest. This child, who is 15 years younger than I, has gone through more suffering and pain than I ever have. I admire her strength and determination. Kara has taught me that no matter how bad things seem, they can work out in the end. Knowing this small, beautiful child has made me a stronger person, I now believe that difficulty can be beaten. Question: The writer wants to tell us that _ . - younger people often suffer more pain - strong wills can help beat difficulties - experienced doctors can make miracles - medical technology is developing fast
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strong wills can help beat difficulties

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Read the following article and select the best answer. Article: If you want to take the whole family on holiday,and keep everybody happy.then I have found just the place for you.I recently went with a group of friends to stay at the Greenwood Holiday Village, which is open from May until October. Built in the centre of a forest,Greenwood is a great place to stay whatever the weather is like, Its main attraction for families is the indoor World of Water,where young and old Can have fun in the different pools.Some of these,however,are for serious swimmers only. For sporty, people,the Country Club offers tennis,squash and badminton.If your children are too young to join in these sports,there are activity clubs.Greenwood is a good place for families as it is traffic-free----you explore on foot or by bike.Some people complained that this was inconvenient,but I was pleased to be out in the fresh air.For evening entertainment,there are shows and cinemas. Accommodation is in a variety of apartments of different sizes.These have up to four bedrooms,a kitchen and a bathroom,as well as a dining area.Before going,I thought the apartments might not be big enough for all of us,but I was pleasantly surprised--it was not too crowded at all. I'll definitely go back to Greenwood next year.Why don't you give it a try? Visit their website for further information now! Question: What does the writer think about the holiday village? - The apartments there are not big enough - It is not convenient because you cannot use your car. - It can only be enjoyed in good weather. - There is something there for all ages
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There is something there for all ages