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　　人教版选修六 Unit 3 A healthy life
　　单元综合检测
　　第一部分  阅读理解
　　第一节  阅读理解
　　阅读下列短文，从每题所给的四个选项（A、B、C和D）中，选出最佳选项。
　　A
　　Sleep Struggle
　　One in every five young people has a sleep problem, so you’re not alone. Getting enough sleep has become as important as eating vegetables and exercising regularly. It’s very important for your body.
　　Most young people only get seven hours of sleep each night, when they actually need nine hours. And map for lost sleep during the week by sleeping on weekends doesn’t really work. In fact, sleeping late on weekends may actually do you more harm than good, if you have sleep problems.
　　What happens if you don’t get enough sleep? If your sleep problem continues for a few nights, you could suffer serious problems. Lack of sleep can affect learning and memory. Worse, if your sleep difficulties last a long time, that could lead to anxiety (焦虑). Therefore, you’ve got to have some healthy sleep habits. Below are some suggestions:
　　•Go to bed at the same time—including weekends, if possible.
　　•Wap around the same time every morning. When you sleep late just one morning during the week, it may disturb your body clock. This will make it hard for you to sleep that night.
　　•Do something relaxing before going to bed.
　　•Exercise during the day. Don’t exercise right before going to bed.
　　•Avoid drinking. Alcohol (酒精) ma excited. This prevents you from falling asleep or wa up during the night.
　　•Don’t smoke. Smoking is always bad for the body. Smoking before bedtime keeps you awake.
　　If trying these tips over a couple of weeks does not help you, spear doctor. Do not take any medicine without first asr doctor. Many of them have strong side effects.
　　1. The passage suggests that people with sleep problems should ________.
　　A. eat vegetables and exercise regularly
　　B. map for lost sleep on weekends
　　C. follow a fixed timetable for sleep
　　D. sleep seven hours every day
　　2. We can learn from the suggestions that ________.
　　A. getting up earlier one morning makes it easier to fall asleep that night
　　B. listening to soft music before going to bed may help you fall asleep
　　C. smokers and those who drink alcohol usually have sleep problems
　　D. exercising before going to bed will help you get to sleep
　　3. Which of the following is TRUE according to the passage?
　　A. You’ll no longer have your sleep problem if you try the tips.
　　B. Sleeping late on weekends can map for lost sleep.
　　C. Eating vegetables and exercising regularly can help you fall asleep.
　　D. Sleep problems are serious among young people.
　　B
　　Growing Up in Australia
　　Since 2004, Australia has been holding its largest study of children’s health ever. This project, “Growing Up in Australia,” is following two groups of children from early childhood until they become adults. The project is being supported by the Australian government and involves hundreds of researchers visit