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题型:语法填空(单句) 题类:常考题 难易度:普通

人教版(新课程标准)高中英语必修4 Unit 3 A taste of English humour 同步练习3

Sarah pretended to be cheerful, (say)nothing about the argument.
举一反三
阅读下面材料, 在空白处填入适当的内容(1个单词)或括号内单词的正确形式。

    Have you ever wondered{#blank#}1{#/blank#}children always seem to have bas of energy and never run out of steam? Researchers have discovered that children have levels of recovery of endurance athletes. In fact, scientists say children's muscles recover from "high-intensity exercise" a lot {#blank#}2{#/blank#}(quick)than athletes. A study looked at the performance levels of children when they were cycling, and compared their fitness to {#blank#}3{#/blank#} of athletes. Rwsearcher Dr Sebastien Ratel suggested they{#blank#}4{#/blank#}(find)the children used more of their aerobic metabolism and were therefore less tired during the high-intensity physical activities. The children also recovered very quickly—even faster than the well-trained adult endurance athletes.

    The researchers hope that{#blank#}5{#/blank#}(they)finding will help scientists have a better {#blank#}6{#/blank#}(understand) of how the human body changes with age. It could lead to advantages in the fight{#blank#}7{#/blank#}diabetes and other diseases. Dr Ratel said the research was{#blank#}8{#/blank#}(particular)important as more children were become less active. He warned." With the diseases related to physical inactivity{#blank#}9{#/blank#}(rise), know the changes with growth that might contribute to the risk of disease."{#blank#}10{#/blank#}is helpful for children to maintain their fitness as they grow up and play as much as they could so they renin healthy as adults.

阅读下面短文,在空白处填入1个适当的单词或括号内单词的正确形式。

    Scientists found that air pollution may be responsible {#blank#}1{#/blank#} a significant reduction in intelligence. The research conducted by the World Health Organization (WHO) in China {#blank#}2{#/blank#} (show) that air pollution led to big falls in test {#blank#}3{#/blank#} (score) for languages and arithmetic. The study is called "The impact of exposure to air pollution on cognitive (认知的)performance ". It was published in the Proceedings of the National Academy of Sciences journal. The study took place over four years. Researchers analyzed speaking and arithmetic tests taken by 20 000 people of all ages. They said, "Polluted air may prevent cognitive ability {#blank#}4{#/blank#} people become older.”

    The study is a warning to the rest of the world, {#blank#}5{#/blank#} (especial) to those in cities. Over 91 percent of the world population live in areas with {#blank#}6{#/blank#} (poison) air and air pollution is the {#blank#}7{#/blank#} (four) highest cause of global deaths. Researchers discovered that {#blank#}8{#/blank#} longer people were exposed to polluted air, the greater their intelligence went down. They said air pollution caused a year's worth of lost education. For those {#blank#}9{#/blank#} were over 60 years old, this could be several years. A researcher warned, "There is no shortcut {#blank#}10{#/blank#} (solve) this issue. Governments really need to take effective measures to reduce air pollution."

阅读下面短文,在空白处填入1个适当的单词或括号里单词的正确形式。

    You may not have noticed it before, but many people often sit with a hunched (驼背的) back when they are in a difficult situation, such as trying hard {#blank#}1{#/blank#} (solve) a math problem. But there's a reason for this: this body position helps to reduce pressure.

     However, according to Erik Peper, a health professor at San Francisco State University, poor posture (姿势) may make our brains work not as well as they {#blank#}2{#/blank#} (normal) do.

    Peper and a team of researchers {#blank#}3{#/blank#} (study) 125 students' performance in a math test and their different postures. The team found that good posture—for example sitting up straight—could help people perform better {#blank#}4{#/blank#} bad posture when they feel stressed.

    Another professor Richard Harvey further explained in Science Daily that sitting with bad posture might make us feel more {#blank#}5{#/blank#} (comfort), but it actually increases our pressure levels.

    So the next time you have to take a test, try sitting upright and taking a deep {#blank#}6{#/blank#} (breathe). If Peper's study is correct, this small change may have {#blank#}7{#/blank#} great influence on you.

    There are many things {#blank#}8{#/blank#} lead to poor posture. The good news {#blank#}9{#/blank#} (be) that posture can be improved at any age by {#blank#}10{#/blank#} (make) just a few simple corrections in the way one stands, sits and moves.

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