类型3| 科普知识
设计实习周记
(2016·四川高考·D)
A warm drink of milk before bed has long been the best choice for tho wanting a good night's sleep.But now a study has found it really does help people nod off—if it is milked from a cow at night.
Rearchers have discovered that “night milk” contains more melatonin (褪黑激素)，which has been proven to help people feel sleepy and reduce anxiety.
爱祖国The study，by rearchers from Seoul，South Korea，involved mice being fed with dried milk powder made from cows milked both during the day and at night.
Tho given night milk，which contained 10 times the amount of melatonin，were less active and less anxious than tho fed with the milk collected during daytime，according to the study published in The Journal of Medicinal Food.
Night milk quickened the start of sleep and caud the mice to sleep longer.
While the effect of cows milk harvested at different time has not been tested on humans up to now，taking melatonin drugs has been suggested to tho who are struggling to fall asleep at night.
Previous studies have also indicated that milk can be excellent for helping sleep becau of the calcium content，which helps people to relax.
Milk is also sugarfree and additivefree with nutritionists recommending
skimmed milk as the best choice before bed as it is the least fattening.The more fat you take in before bedtime，the greater burden you will put on your body at night.
32．According to the text，the mice fed with daytime milk ．
A．started sleep more easily
B．were more anxious
C．were less active
D．woke up later
33．Which of the following is true of melatonin according to the text?
A．It's been tested on mice for ten times.
B．It can make people more energetic.
佩服是什么意思C．It exists in milk in great amount.
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D．It's ud in sleeping drugs.
34．What can be a suitable title for the text?
党旗图片A．Night Milk and Sleep
B．Fat，Sugar and Health
C．An Experiment on Mice
D．Milk Drinking and Health
35．How does the author support the theme of the text?
A．By giving examples.
B．By stating arguments.
C．By explaining statistical data.
D．By providing rearch results.
语篇解读：本文是一篇议论文.长期以来，人们认为睡觉前喝一杯热牛奶，但研究表明，只有喝晚上挤的牛奶才真正有助于睡眠.这到底是什么原因呢？快来读文章吧！
长难句解读：Tho given night milk，which contained 10 times the amount of melatonin，were less active and less anxious than tho fed with the milk collected during daytime，according to the study published in The Journal of Medicinal Food.
分析：本句为复合句.given night milk为过去分词短语作定语修饰其前面的
tho；which引导的定语从句修饰先行词night milk；fed with the milk为过去分词作定语修饰其前的tho；collected during daytime为过去分词短语作定语修饰其前的milk.
翻译：由发表在《药物食品杂志》上的研究可知，饮用夜间挤出的牛奶的老鼠比那些饮用白天挤出的牛奶的老鼠更不活跃、更不焦虑，在夜间取自奶牛的牛奶所含的褪黑激素是在白天取自奶牛的牛奶的十倍.
32．B[细节理解题.由第四段中的信息Tho given night milk ...were less active and less anxious than tho fed with the milk collected 可知，老鼠喝了白天挤的牛奶会更活跃，也更焦虑，故选B项.]
33．D[推理判断题.由第六段中的信息taking melatonin drugs has been suggested to tho who are struggling to fall asleep at night可知，褪黑激素被用于安眠药中，故选D项.]
34．A[标题归纳题.作者在第一段就点明了文章要论述的对象——晚上挤的牛奶.在接下来的几段中，作者通过研究人员在老鼠身上做的实验论证了晚上挤出的牛奶与睡眠的关系，故选A项.]
35．D[推理判断题.文章的第二、三、四、五段都是讲研究人员的实验及其结果，所以作者是用研究人员的研究结果来支持论点的，故选D项.]小城镇规划
上海旅行
A
(2016·福建省五校统一考试)
More than nine out of ten young people expo themlves to the blue light from smartphones before bed，causing problems with sleep.A new survey also shows more than 28 million people in the UK regularly get no more than ven hours sleep a night.Prof Richard Wiman，who commissioned the YouGov poll described the
findings as “extremely worrying”．Of the 2，149 adults questioned，78% said they ud electronic devices before going to bed.This ro to 91% among the 18 to 24year olds questioned in the survey.
Getting less than ven hours sleep a night is below the recommended guidelines，and is associated with a range of problems，including an incread risk of weight gain，heart attacks，diabetes and cancer.“The blue light from the devices suppress(压制) the production of the sleep—inducing hormone melatonin，so it's important to avoid them before bedtime，”said Prof Richard Wiman，from the University of Hertfordshire.
Everyone needs different amounts of sleep，but adults are generally thought to require a minimum of ven to eight hours a night.Teenagers are recommended to get more，about nine hours.The proportion(比例)of people thought to be getting too little sleep had rin by a fifth since a “bedroom poll”conducted last year by the National Sleep Foundation.
Last week revealed opticians were warning that the overu of smartphones may be increasing people's risk of eye damage.Optician Andy Hepworth said，“Blue violet light is potentially harmful to the back of your eyes.”So over a long period of time it can damage your eyes.When you're looking at a smartphone，the light peaking out of that is blue violet.The news came as a survey of 2，000 people suggests under25s check their smartphones 32 times a day.
本文是一篇科普说明文.研究表明，睡前使用智能手机将导致睡眠问题.
1．The purpo of the passage is to ．
A．stress that people don't u smartphones
B．remind people of enough sleep
C．ask people not to sleep too much
D．tell people not to u smartphones before bed
D[写作意图题.根据第一段的第一句“More than nine out of ten young people expo themlves to the blue light from smartphones before bed，causing problems with sleep.”可知，超过90%的年轻人会在睡前玩智能手机，因此导致
睡眠问题；据此可以判断，本文旨在告诉人们不要在睡前玩智能手机，故D项正确.]
2．According to what Andy Hepworth said，the overu of smartphones may be increasing people's risk of ．
A．weight gain B．cancer
春暖花开性C．eye damage D．heart attacks
C[细节理解题.根据最后一段的第一、二句“Last week revealed opticians were warning that the overu of smartphones may be increasing people's risk of eye damage.Optician Andy Hepworth said，‘Blue violet light is potentially harmful to the back of your eyes.’”可知，Andy Hepworth认为，过度使用智能手机会损伤眼睛，故C项正确.]
3．Teenagers are generally thought to get sleep of a night.
A．about 9 hours B．7－8 hours
C．less than 7 hours D．more than 10 hours
A[细节理解题.根据第三段的第二句“Teenagers are recommended to get more，about nine hours.”可知，青少年所需要的睡眠时间是每天大概9个小时，故A项正确.]
【导学号：85602016】
B
(2016·山西省第二次四校联考)
For most caffeine(咖啡因) consumers，its chief benefit is that it helps you get more done.This is what makes it unusual，says Stephen Braun，author of Buzz: The Science and Lore of Alcohol and Caffeine.
“Its appeal is that it helps us earn more money，”he adds.“What makes it different from other drugs is that it's ud as a productivity tool—not for pleasure.”
Many of history's creative minds have also been associated with a large amount of caffeine consumption.
