人教版高中英語(yǔ)選修 8 unit 3《inventors and inventions》（section 2）練習(xí)題-全文預(yù)覽
【正文】 ink with me in the bar？ ” The man gladly receivedaccepted his invitation． After buying the man several cups of soft drinks， Allen asked， “You arewere fishing there， right？ May I know how muchmany fish you have caught this morning？ ” “You are the number 8 ， ” said the man humoroushumorously． 。 Before lunch Allen happened to see a man fished in a water hole about five metre outside a bar． Allen stopped curiously． All people passing over the man who was fishing regarded him like a foolish man． Therefore， Allen said kindly to fish173。增加：在缺詞處加一個(gè)漏詞符號(hào) (∧) ，并在其下面寫(xiě)出該加的詞。 A項(xiàng)緊承上文，提示下文要介紹上文所提出的該想法的原理。 答案： 1． F 發(fā)光二極管照亮我們的電視屏、電腦屏、手機(jī)屏等幾乎每一件電子產(chǎn)品，故 F項(xiàng) (它們也照亮我們的家和辦公室 )符合上下文語(yǔ) 境。選項(xiàng)中有兩項(xiàng)為多余選項(xiàng)。 9． What can we learn about the future development of the Kolibree？ A． The brush handle will be removed． B． A mobile phone will be built into it． C． It will be used to fill holes in teeth． D． It will be able to check users39。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。day basis 可知答案。d like a dentist to watch you brush your teeth every day． 答案： C 推理判斷題。 5． What can we learn from Serval39。 school performance． C． It can detect users39。to173。 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。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。專家認(rèn)為，適當(dāng)?shù)腻憻捠潜匾摹? 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 ． The research suggests the practice can make a difference． Kids who did get the required daily exercise were more active than their peers． Those who had
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