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1、2015 浙江省宁海县高考英语阅读理解暑假练习（浙江省宁海县高考英语阅读理解暑假练习（5）（答案）（答案）【山东省山东省2014 模拟模拟】 阅读下列短文，从每题所给的四个选项（A、B、C 和 D）中，选出最佳选项。Our body clock，or natural body rhythm，influences our energy and alertnessPaying attention to it can help us choose the suitable time of day when we best perform specific tasksThe reality，howev
2、er，is that most of us organize their time around work demands，school deadlines，commuting or social eventsDoing whatever your body feels like doing is a luxury in todays fast-paced modem societyBut that doesnt mean it isnt worth tryingObeying our body clock has significant health benefitsDisrupting o
3、ur natural body rhythm，on the other hand，has been linked to problems such as depression，obesity，or headache，says Steve Key，a biology professorWhen the body clock can synchronize（使同步）the rhythms of its natural processes，it “gives us an advantage in daily life”，says KeyAccording to him，when it comes t
4、o cognitive（认知的）work，most adults perform best in the late morningAs our body temperature starts to rise just before awakening in the morning and continues to increase until midday，our memory，alertness and concentration gradually improveHowever，he adds，our ability to concentrate typically starts to d
5、ecrease soon thereafterMost of us are more easily distracted（分心）between noon and 4 pmAlertness also tends to fall after eating a meal and sleepiness tends to peak around 2 pm，making that a good time for a napSurprisingly, tiredness may increase our creative powersFor most adults，problems that requir
6、e open ended thinking are often best dealt with in the evening when they are tired， according to a study in the journal Thinking & ReasoningWhen choosing a time of day to exercise，paying attention to your body clock can improve resultsPhysical performance is usually best from about 3 to 6 pm，says Mi
7、chael Smolensky，a professor of biomedical engineeringOf course, not everyones body clock is the same，making it even harder to synchronize natural rhythms with daily plans 51If we know our natural body rhythm well, we can Afind out the suitable time to do specific tasksBorganize our time around work
8、demandsCdo whatever our body feels like doingDbe sure to be healthy52Which of the following is NOT true?AOur alertness is influenced by our natural body rhythmBDoing whatever your body feels like is very difficult in our modem societyCObeying our body clock is good for our healthDDisrupting our natu
9、ral body rhythm can lead to obesity53According to Steve Key，which of the following is NOT true?AWhen our body clock synchronizes the rhythms of its natural processes，we can do betterBWhen it comes to cognitive（认知的）work，most people perform best in the late morningCAs body temperature rises before awa
10、kening in the morning，our concentration gradually improvesDWe concentrate better in the late morning than between noon and 4 pm54Inspiration（灵感）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
11、 late morningDwhen we are asleep at night55Which of the following can be the suitable title for the passage?AWhat is natural body rhythm?BNatural body rhythm is good for usCSomething about natural body rhythmDThe latest research about natural body rhythm【参考答案】51-55 ADBBC 【江苏省盐城市2014模拟】Air pollution
12、is a leading cause of cancer and classified among Group 1,or top, human carcinogens (致癌物质), said the International Agency for Research on Cancer (IARC), which is the World Health Organizations (WHO) cancer agency, on Oct 17,2013.The most widely used system for classifying carcinogens comes from the
13、IARC, which places them into five groups. Group 1 carcinogens definitely cause cancer in humans. Group 2A is probably carcinogenic to humans, Group 2B is possibly carcinogenic, the carcinogenicity of Group 3 in humans is unclassifiable, and Group 4 is probably not carcinogenic to humans. Only a litt
14、le more than 100 are classified as Group 1 cancer-causing substances, including ultraviolet radiation and tobacco smoke. “Our task was to evaluate the air everyone breathes rather than focus on specific air pollutants,” the lARCs Dana Loomis said in a statement. “The results from the reviewed studie
15、s point in the same direction: the risk of developing lung cancer is significantly increased in people exposed to air pollution.”In 2010, lung cancer resulting from air pollution killed 223,000 people worldwide, and there was also convincing evidence that it increases the risk of bladder (膀腕) cancer
16、, according to the IARC. Air pollution is already known to raise risks for a wide range of illnesses, including respiratory and heart diseases.Air pollution is global, although the levels of it vary over space and time.Loomis said people in Asia, eastern North America, some places in Central America and Mexico, as well as North Africa have relatively high exposure. Developing countries with large
