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Fresh fruit juice has become increasingly popular in many diets - especially among those consumers who are pressed for time and concerned about their health.Fruit juice has also been linked to beliefs that it can help people lose weight.But is juicing really as healthy as we think？
    A recent study reveals hard truths about fruit juice.
   All fruits contain sugars and don't seem to have harmful effects unless they contribute to excess（過量的）daily calories.This is because the fiber which is found in whole fruit is undamaged，and the sugar is contained within the fruit's cells.It takes our digestive system a while to break these cells down and for sugar to enter the bloodstream.
   This is not the case with fruit juice.Different from whole fruit，the natural sugar in fruit juice counts as "free sugars"，just like honey and added sugars.With the fiber removed，fruit juice's sugar is absorbed more quickly.A sudden rise of blood sugar causes the pancreas（胰腺）to release insulin（胰島素）to bring it back down to a normal level.Over time，this system can wear out，increasing the risk of developing type-2 diabetes（糖尿?。?
   In 2013，after analysing the health data of 100，000 people collected between 1986 and 2009，researchers found that fruit juice consumption was linked with increased risk of type-2 diabetes.They've concluded that even when fruit juice is similar in the nutritional content to whole fruit，fruit juice leads to faster and larger changes in insulin levels since liquids pass through the stomach faster than solids.
   "Although fruit juice is better than no fruit at all，there are lots of limits，" said Dr.Amy Smith，professor of medicine at the University of Virginia."It particularly comes with risks when we consume more than I50 ml of free sugars per day，or when it puts us over our recommended calorie intake.It provides us with vitamins - but fruit juice is far from a quick fix"

（1）What leads to the increasing fruit juice popularity？
C
C

A．Experts' recommendation.
B．Its obvious medical effects.
C．Its assumed benefits to health.
D．People's improved life quality.
（2）Why is whole fruit healthier？
B
B

A．It provides better nutrition.
B．Its fiber slows sugar absorption.
C．It protects our digestive system.
D．Its fiber helps remove extra sugar.
（3）Ho w did researchers draw the conclusion in 2013？
C
C

A．By observing the blood sugar level.
B．By comparing liquid and solid intake.
C．By analysing previously collected data.
D．By interviewing type-2 diabetes patients
（4）What is Dr.Smith's attitude to fruit juice？
B
B

A．Positive.
B．Negative.
C．Objective.
D．Unclear.

【考點(diǎn)】說明文．

【答案】C；B；C；B

【解答】

【點(diǎn)評(píng)】

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發(fā)布：2024/4/20 14:35:0組卷：16引用：4難度：0.5

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（1）How much does an average driver save each day by driving a hybrid，according to the Toyota spokesman？

A．＄30．
B．＄20．
C．＄10．
D．＄7．
（2）Terrence's problem with his HEV at the moment is about the

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A．speed
B．power
C．price
D．service
（3）When saying "extraordinary"，Terrence thinks it is

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A．understandable
B．wonderful
C．doubtful
D．unbelievable
（4）What does Terrence think prevent the popularity of hybrid cars？

A．The difficulty in servicing the car．
B．The restriction of the government．
C．The lack of information about HEV．
D．The inconvenience with charging the car．
發(fā)布：2024/11/16 20:30:1組卷：17引用：4難度：0.6
解析
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（1）What does the underlined word "sought-after" in paragraph 2 probably mean？

A．Practical
B．Amusing
C．Popular
D．Confusing
（2）What is the third paragraph mainly about？

A．Price for a try．
B．Prizes of the game．
C．New practice of the game．
D．People's love for grabbing toys．
（3）What's the purpose of Braddick's new idea？

A．To make higher profits．
B．To ease people's anxiety．
C．To support his family business．
D．To attract more people to play the game．
（4）What can be inferred from the passage？

A．Tourism may fall into a decline．
B．Braddick's business is experiencing a hard time．
C．Cleaning products will be in shortage for a long time．
D．Everyone in the park is told to wash their hands every half hour．
發(fā)布：2024/11/17 4:30:2組卷：10引用：1難度：0.4
解析
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   Julian Zeitlinger，9，from New Jersey，uses his computer to watch videos and play games．To keep him safe online，his parents monitor his web use and discuss Internet safety with him． "I ask my parents whether something is nice or bad，" Julian says．
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（1）Julian's parents check his web use to make sure

．
A．he doesn't watch too many videos
B．he doesn't play computer games
C．he controls his online time
D．he stays safe on the Internet
（2）What's one of the changes with COPPA？

A．It broadens the concept of personal information．
B．It prevents users from making their location public．
C．It covers everything that goes wrong online．
D．It says no to any kind of advertising．
（3）People often hold the wrong idea that

．
A．formal websites are always safe
B．the Internet is becoming safer and safer
C．COPPA can ensure their complete safety
D．daily checks prevent future online problems
（4）Why does the author write the passage？

A．To ask parents to look out for their kids．
B．To talk about online safety for children．
C．To introduce a new law．
D．To sell an online product．
發(fā)布：2024/11/17 6:0:1組卷：65引用：5難度：0.5
解析

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