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tworks. If you look at the top of your phone, you39。6.閱讀下列短文,從每題所給的A、B、C三個選項中選出最佳答案。通讀全文可知大意是:聽大聲的音樂對聽力有害,不是講耳朵是人體重要的組成部分,故答案為錯誤。 (頭戴式耳機) are better than in—ear ones. They do a better job of stopping outside noise, so you can listen at a lower volume. 可知頭戴式耳機比置入式耳機更好,故答案為錯誤。 (4)判斷正誤題。 (3)判斷正誤題。 (2)判斷正誤題。根據(jù) It is not safe to listen to sounds that are louder than 85 dB (分貝) for eight hours or 100 dB for 15 minutes. 可知挺高于85分貝八個小時或者100分貝15分鐘是不安全的。這就是人們聽力損失的原因。聽八十小時大于85分貝或15分鐘大聲100分鐘的聲音是不安全的。世界衛(wèi)生組織稱,超過10億的年輕人在聽力方面存在問題,因為他們長時間大聲聆聽。 maximum volume for no more than 60 minutes a day.(1)It is safe to listen to sounds that are louder than 100 dB for 15 minutes (2)Listening to loud noise for a long time can cause some hair cells in the inner ear to die. (3)From the fourth paragraph, we know people don39。 (頭戴式耳機) are better than in—ear ones. They do a better job of stopping outside noise, so you can listen at a lower volume. Don39。 The safe level for most sound is below 80 dB for up to 40 hours a week. A level of 80 dB is about equal to (相當于) the noise of a subway. Some people might think that their music isn39。 Loud noise is harmful to the inner二Most of us are bon with about 16,000 hair cells (聽毛細胞) in our inner ears. These cells notice sounds. However, listening to loud noise for a long time can make these cells work too hard and cause some of them to die. This is what causes hearing loss. Once this happens, it39。 Do you often listen to music at loud volumes (音量)? You should know that this habit is bad for your hearing. Over 1 billion young people are at risk of hearing loss (聽力喪失) ,because of listening to loud noise for long periods of time. Listening to music or watching a TV show at loud volumes can harm your hearing.5.根據(jù)短文內(nèi)容,判斷下列句子正誤。 【點評】考查閱讀理解。本周的運動項目是男孩足球和女孩排球。根據(jù) Practice Students will play a short match lasting 45 minutes. This week, the sports are soccer(the boys) and volleyball(for girls)..可知科學作業(yè)花費大約40分鐘,故選D。根據(jù)Science (Biology or chemistry) Students00 am:Drama During this lesson, students will have the chance to act out roles with other students. 可知戲劇在這節(jié)課將在上午10:00開始,故選B。 (1)細節(jié)理解題。Students will use skills in real games in the theory lesson.D.Students always take their painting lessons outsides.B.More than 60 minutes.D.At least 90 minutes.B.D.C.B. HomeworkTechnology the teacher will give students websites to look up (about 20 minutes) Drama students have to learn a part for the next lesson (3060 minutes) Biology/chemistry students have to write a report of the lesson(about 40 minutes)(1)What time does the drama lesson begin? A. 11:0011:45 amPainting Students learn how to use watercolors properly. If the weather is good, the lesson may take place outdoors. LUNCH1:002:00 pmScience (Biology or chemistry) Students can choose which class to attend. In biology this week, students will learn about the bones in humans. In chemistry, the subject is How explosions happen. This is the school timetable of Class One, Grade Three, Sunshine School on Monday. 8:0010:00 amTechnology In this lesson, students learn how to surf the Internet safely and effectively. 10:0011?!军c評】考查閱讀理解,首先通讀全文,了解全文大意,其次分析問題,抓住關(guān)鍵詞,在文中尋找相關(guān)信息,確定答案,最后再檢查一遍,確保答案正確。根據(jù)文章大意本文主要介紹提供一些問題和答案來說明人體是一臺能提出許多有趣問題的機器??芍x項D符合文章內(nèi)容,故選D。s a mon thing, but researchers don39。re hungry. 當你餓了的時候,你只會更清楚地聽到聲音??芍x項A不符合文章內(nèi)容,故排除A;As for the actual function of blushing, researchers are still trying to find that one ,研究人員仍在努力找出其中之一。(3)判斷正誤題。就會在胃里產(chǎn)生聲音。這些肌肉通過消化道輸送食物、液體和氣體。(2)細節(jié)理解題。你可以通過快速地將舌頭摩擦到口腔頂部來幫助熱身來改善冰淇淋頭痛。 Blood vessels in the head tighten to stop the loss of body heat and then relax to let blood flow rise。(1)詞義猜測題。Some Useful DiscoveriesD.Some Interesting FactsB.Researchers don39。Researchers have found out the actual function of blushing.C.s how it makes a difference to your digestive tract.(3)Which of the following statements is TRUE? A.re full.D.And that39。s why you39。re hearing when your stomach makes noise.B.And that39。D.C.B.s way of keeping our brains cool.(1)What is the meaning of the underlined word tighten? A.t have a good explanation for it. They do, however, know this happens only with humans and chimpanzees(黑猩猩). A bigger question puzzling scientists is why we yawn at all. It used to be thought that yawning showed that oxygen to the brain was not enough, but that39。 Have you ever yawned in front of someone, only to have them yawn right back? It39。re embarrassed, your brain releases a shot of adrenaline(腎上腺素), which makes your heart race and blood vessels bee larger in size. All this happens to increase blood flow and oxygen delivery throughout the body in a fightorflight reaction(對抗反應(yīng)). There are a lot of tiny blood vessels in your face, which turn noticeably redder from this sudden rush of blood. As for the actual function of blushing, researchers are still trying to find that one out.m embarrassed?re hungry. Think of your digestive tract(消化道)as a really long tube lined with smooth muscle tissue. These muscles move food, fluids and gas through your digestive tract. ___________. It can make you feel embarrassed(尷尬的)but is nothing to worry about.re hungry or full。m hungry? that sudden rush of blood is what causes the headache. You can improve an icecream headache by rapidly rubbing your tongue across the roof of your mouth to help warm up things.t exactly sure what causes the brain freeze when we eat ice cream or other super cold foods too quickly, though some believe it39。 Why do I get a headache when I eat ice cream too quickly? The human body is a machine that can raise lots of interesting questions. Why, for example,