Tiêu đề ISW9_Semester 2_Key.docx ✅

course, they will feel very tired all the time, which can make it hard for them to focus in school. But doctors say that they might also feel unhappy or get upset easily. They might get more colds or flu, because their body is not working as well as it could. They might not grow as well as they should because, during sleep, the body produces chemicals which help growth. So it’s important for teenagers to try to sleep more. They should turn off their screens before bed and try to go to sleep at the same time every night. Parents should encourage relaxing activities before bedtime, like reading or listening to calm music, instead of screen time. Communities can help by creating quiet nighttime environments, for example, by reducing noise and bright lights. Perhaps the best answer is for school to start later for teenagers. But, despite scientists around the world suggesting doing this for a long time now, very few national governments have changed school hours. In the USA, however, some state governments have followed the advice. 21. Not getting enough sleep may make teenagers unhealthy. T 22. Looking at a screen is a relaxing activity. F 23. Doctors have advised governments on school hours for teenagers. T 24. The state of California allows teenagers to start the school day later. N G 25. This text is about a common habit, why it is a problem, and how we could deal with it. T VI/ WRITING A. Put the words in the correct order to make correct sentences. 26. keep / with / high / sugar content / To / I try / eat / avoid / not to / and / junk food / products / myself / at all costs / in shape, / .
 To keep myself in shape, I try not to eat junk food at all costs and avoid products with high sugar content.  To keep myself in shape, I try not to eat junk food and avoid products with high sugar content at all costs. 27. getting up / every / for / I / the park / I don’t like / near my home / a walk / very early / although / around / go / morning / .  I go for a walk every morning around the park near my home although I don’t like getting up very early. 28. their favorite / find /one / Although / sugary beverages / are / of / , / many people / soda and milk tea / to be / drinks. / the primary causes / obesity  Although sugary beverages are one of the primary causes of obesity, many people find soda and milk tea to be their favorite drinks. B. Rewrite the following sentences without changing their meaning. Use the given word(s) if any. 29. Teens should get about 8-10 hours of sleep a night, but most of them don’t get enough sleep. (ALTHOUGH)  Although teens should get about 8-10 hours of sleep a night, most of them don’t get enough sleep.  Most teens don’t get enough sleep although they should get about 8-10 hours of sleep a night. 30. My sister always goes for healthier snacks, such as fruit or unsalted nuts because she wants to maintain a healthy weight. (WITH A VIEW TO)  My sister always goes for healthier snacks, such as fruit or unsalted nuts with a view to maintaining a healthy weight.