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Directions: After reading the passage be...

Directions: After reading the passage below, fill in the blanks to make the passage coherent and grammatically correct. For the blanks with a given word, fill in each blank with the proper form of the given word; for the other blanks, use one word that best fits each blank.

News From The World of Medicine

SHORT ON SLEEP? DON'T FORGET TO DRINK WATER

In a Pennsylvania State University study involving more than 20,000 participants, people who said they got only six hours of sleep regularly ran a greater risk of dehydration (脱水) than 1. who got eight hours. The reason might lie with a hormone (荷尔蒙) called vasopressin, 2. helps control the body’s fluid levels. It’s let out in larger quantities later in the sleep cycle, 3. people getting less shut-eye might not have the best amount of it. If you know you’re short on slumber, 4. (make) a point of drinking water.

TEN-MINUTE CANCER TEST

Australian researchers have developed a test 5. can discover cancer cells in ten minutes with 90 percent accuracy. Healthy DNA and cancer DNA, it turns out, stick to metal surfaces differently. When cancer DNA 6. (add) to water mixed with gold nanoparticles (纳米颗粒), the water remains its rosy color, when healthy DNA is added, the water turns blue. 7. the test is cheap and simple, it could be used at your primary care physician's office, with follow-up if necessary.

EXERCISE PREVENTS FALLS

Each year, at least a third of people 8. the age of 65 fall downwards. Research found that there's one factor related to notably reduced risk: exercise. People who took part in Tai Chi fell 19 percent 9. (often), while those who did balance and functional exercises, such as step-ups, chair rises, or standing on one leg, fell 24 percent less often. Most useful of all was 10. (combine) different types of exercise, including lifting weights and balance exercises.

 

1.those 2.which 3.so 4.make 5.that 6.is added 7.Because 8.over 9.less often 10.to combine 【解析】 这是一篇说明文。主要介绍了三则医疗方面的信息,分别是缺乏睡眠的人容易脱水,十分钟癌症测试以及运动可以防止摔倒。 1.考查代词。句意:宾夕法尼亚州立大学一项涉及2万多名参与者的研究发现,经常只睡6小时的人比那些睡8小时的人更容易脱水。此处指代“只睡8小时的人们”应用代词those。故填those。 2.考查定语从句。句意:原因可能在于一种叫做血管加压素的荷尔蒙,它有助于控制身体的液体水平。本句为非限定性定语从句,修饰先行词vasopressin,且先行词在从句中做主语,表示“血管加压素”,故应用关系代词which。故填which。 3.考查连词。句意:在睡眠周期的后期,它会大量释放,所以睡眠时间较短的人可能没有最好的睡眠时间。结合上下文语境可知,前后句意为因果关系,故应用连词so。故填so。 4.考查祈使句。句意:如果你知道自己睡眠不足,一定要注意喝水。本句为祈使句,句首动词用原形。短语make a point of表示“特别注意……”。故填make。 5.考查定语从句。句意:澳大利亚研究人员开发了一种检测方法,可以在十分钟内发现癌细胞,准确率高达90%。本句为定语从句修饰先行词test,且先行词在从句中做主语,表示“测试方法”故用关系代词that。故填that。 6.考查动词时态语态。句意:当把癌症DNA加入到含有金纳米颗粒的水中时,水仍然是玫瑰色,当加入健康的DNA时,水变成蓝色。本句中主语与谓语动词构成被动关系,且根据下文the water remains its rosy color可知,为一般现在时,主语为cancer DNA,故谓语动词用第三人称单数形式。故填is added。 7.考查连接词。句意:因为这个测试既便宜又简单,所以可以在你的初级保健医生办公室使用,必要时可以进行随访。本句为原因状语从句,表示“因为”,句首字母要大写。故填Because。 8.考查介词。句意:每年,至少有三分之一的65岁以上人口跌倒。结合句意表示年龄上的“超过,在……以上”应用介词over。故填over。 9.考查比较级。句意:参加太极拳锻炼的人减少了19%,而那些进行平衡和功能锻炼的人,比如步态提升、椅子上升或单腿站立的人减少了24%。根据下文fell 24 percent less often.可知,此处都是表示运动的人跌倒减少的百分比,故填less often。 10.考查非谓语动词。句意:最有用的是把不同类型的运动结合起来,包括举重和平衡运动。此处应用动词不定式做表语说明主语的具体内容。故填to combine。
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