人教版高中英語選修8unit3inventorsandinventionssection2練習(xí)題-文庫吧資料
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【正文】 e able to check users39。s children？ A． They were unwilling to brush their teeth． B． They often failed to clean their toothbrushes． C． They preferred to use a toothbrush with a dry head． D． They liked brushing their teeth after Serval came home． 答案： A 推理判斷題。根據(jù)第五段的第一句話 he was inspired by．．．可知第五段主要講述了他制作牙刷的靈感。根據(jù)第四段的 create a game controlled by your toothbrush 可知答案。day basis 可知答案。s kind of like having a dentist actually watch your brushing on a day173。d like a dentist to watch you brush your teeth every day． 答案： C 推理判斷題。to173。 5． What can we learn from Serval39。由第一段的第四句話可知，牙刷檢測刷牙的時間和好壞。 school performance． C． It can detect users39。ll be possible to replace the brush on the handle with a brushing unit that also has a camera． The camera can even examine holes in your teeth while you brush． 文章大意：本文主要講述了一種新式牙刷及其多種功能。to173。re brushing long enough． “It39。 B How fit are your teeth？ Are you lazy about brushing them？ Never fear： An inventor is on the case． An electric toothbrush senses how long and how well you brush， and it lets you track your performance on your phone． The Kolibree toothbrush was exhibited at the International Consumer Electronics Show in LasVegas this week． It senses how it is moved and can send the information to an Android phone or iPhone via a Bluetooth wireless connection． The toothbrush will be able to teach you to brush right (don39。 3． What does the underlined phrase “huffing and puffing” in the last paragraph probably mean？ A． Learning from each other． B． Joining in all kinds of activities． C． Shouting and laughing a lot． D． Performing a task in cooperation． 答案： B 詞義猜測題。t work hard at their lessons at all D． have the right to do whatever they like 答案： A 推理判斷題。根據(jù)第二段最后一句可以推知， DPA 的政策要求學(xué)生每天應(yīng)該進(jìn)行足夠的鍛煉。專家認(rèn)為，適當(dāng)?shù)腻憻捠潜匾?。offs are worth it for her Grade 3 students at Swansea Public School． They are better able to focus and learn when they get regular exercise． Awrey says she39。 Ⅳ ．閱讀理解 A Ontario children are supposed to get 20 minutes of exercise at school every day to boost their heart rates and improve fitness． But a new study suggests schools are falling short of the requirement， despite rising health concerns over kids who are fatter and more inactive than ever before． University of Toronto researchers tracked almost 900 students in 16 Toronto elementary schools and found that fewer than half were getting the daily physical activity (DPA) each day． No one of the students， ages 10 through 12， got a full 20 minutes of sustained exercise． “The results show that the majority of schools are not meeting the required frequency (five days) or intensity (at least 20 minutes) of the DPA policy， ” the researchers concluded ．
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