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1、科普环保类阅读理解（5）2016高考英语阅读练习科普环保类Our body clock, or natural body rhythm, influences our energy and alertness. Paying attention to it can help us choose the suitable time of the day when we best perform specific tasks. The reality, however, is that most of us organize the time around work demands, school
2、 deadlines, commuting or social events. Doing whatever the body feels like doing is a luxury in todays fast-paced modern society. But that doesnt mean it isnt worth trying. Obeying our body clock has significant health benefits. Disrupting our natural body rhythm, on the other hand, has been linked
3、to problems such as depression, obesity, or headache, says Steve Key, a biology professor. When the body clock can synchronize (使同步) the rhythms of its natural processes, it “gives us an advantage in daily life”, says Key. According to him, when it comes to cognitive (认知的) work, most adults perform
4、best in the late morning. As our body temperature starts to rise just before awakening in the morning and continues to increase until midday, our memory, alertness and concentration gradually improve. However, he adds, our ability to concentrate typically starts to decrease soon thereafter. Most of
5、us are more easily distracted (分心) between noon and 4 pm. Alertness also tends to fall after eating a meal and sleepiness tends to peak around 2 pm, making that a good time for a nap. Surprisingly, tiredness may increase our creative powers. For most adults, problems that require open-ended thinking
6、 are often best dealt with in the evening when they are tired, according to a study in the journal Thinking & Reasoning. When choosing a time of the day to exercise, paying attention to your body clock can improve results. Physical performance is usually best from about 3 to 6 pm, says Michael Smole
7、nsky, a professor of biomedical engineering. Of course, not everyones body clock is the same, making it even harder to synchronize natural rhythms with daily plans.【小题1】If we know our natural body rhythm well, we can _. Afind out the suitable time to do specific tasksBorganize our time around work d
8、emandsCdo whatever our body feels like doingDbe sure to be healthy【小题2】 Which of the following is NOT true? AOur alertness is influenced by our natural body rhythm.BDoing whatever your body feels like is very difficult in our modern society.CObeying our body clock is good for our health.DDisrupting
9、our natural body rhythm can lead to obesity.【小题3】Inspiration to solve a difficult problem will most probably come to us_. Awhen we get up in the morningBwhen we are tired in the eveningCwhen we are full of energy in the late morningDwhen we are asleep at night【小题4】Which of the following can be the s
10、uitable title for the passage? AWhat is natural body rhythm?BNatural body rhythm is good for us.Cnatural body rhythm and healthDThe latest research about natural body rhythm. 2016高考英语阅读练习科普环保类Scientists believe that one of our most important means of knowing what is going on around us is the sense o
11、f sound. We are warned of danger by sounds. Sounds serve to please us in music. Sound has a waste product, too, in the form of noise. Noise has been called unwanted sound. Noise is growing and it may get much worse before it gets any better. In order to know how noise affects people and animals, sci
12、entists have been studying for several years. They are surprised by what they have learned. Peace and quiet are becoming harder to find. Noise pollution is a threat that should be looked at carefully. Sounds is measured in units called decibels (分贝). At a level of 140 decibels people feel pain in th
13、eir ears. Trucks , buses , motorcycles, airplanes, boats, factories-all these things make noise. They trouble not only our ears, but minds and bodies as well.There is a saying that it is so noisy that you cant hear yourself think. Doctors who study noise believe that we must sometimes hear ourselves
14、 think. If we dont, we may have headaches, other aches and pains, or even worse mental problems. Noise adds more tension (紧张) to a society that has already faced enough stress.【小题1】The sense of sound _. Amakes us feel excitedBhelps us hear more clearlyCis something harmful to usDhelps to know what i
15、s happening around us【小题2】When sound is turned into noise, _. Apeople grow worse and worseBit makes us forget all the pastCpeople dont know what to do with everyday lifeDit will be a kind of pollution to people【小题3】Why does the passage say peace and quiet are becoming harder to find? ABecause the world is making more and more noise.BBecause wars and battles happen here and there in the world.CBecause all the sounds are becoming over 140 decibels.DBecause some machines can make noise.【小题4】Doctors say we can hear ourselves think _. Aif we dont like to
