It’s the bedtime ritual every parent dreads—being asked to read the same book for the umpteenth(无数次的)time. But while the constan

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问题     It’s the bedtime ritual every parent dreads—being asked to read the same book for the umpteenth(无数次的)time. But while the constant repetition might be mind-numbing for mum or dad, it is the best way for toddlers to learn new words, according to research.     The findings suggest parents are wasting money by spending a【C1】______on huge book collections in the hope they will【C2】______their little ones. Instead, a small selection of favorites such as The Very Hungry Caterpillar or The Gruffalo will achieve far more.
    Dr. Jessica Horst, of the University of Sussex’s Word Lab【C3】______an experiment to check how【C4】______three-year-olds could recognize and recall six new words. The children were visited three times in a week at their homes. One group heard the same story three times in a row each time and another was read three different stories. All had the same amount of new words which appeared the same number of times. When researchers returned a week later, they found the children who heard the same story over and over had【C5】______learned 3.6 of the new words. Those that were exposed to a【C6】______of stories remembered only 2.6.
    They also noted the "repetition" group learned at a【C7】______rate than those in the "diversity" group. Dr. Horst said:"We are showing that less is more, to a point. Obviously, the more times you read to a child and the more books you have will help them. But you don’t need to go【C8】______and buy every single Thomas the Tank Engine book. Reading the same books over and over again helps. "
    Previous studies have found parents spend just 49 minutes doing things with their children each day. One in three don’t read to their children before【C9】______them to bed at night. Yet 30 minutes of one-on-one【C10】______sessions can improve reading age by nearly two years in less than five months.
A)competence F)faster K)obliged
B)crazy G)fortune L)putting
C)declining H)inspire M)quickly
D)definitely I)literacy N)typically
E)devised J)lower O)variety
【C3】

选项

答案E

解析 动词辨析题。空格所在句缺少谓语动词,因此空格处应填一个动词,且能接an experiment作宾语。通读本段可知,本段具体介绍了空格所在句提到的“实验”(experiment)的过程,时态为过去时。因此空格所填词应为动词过去式,备选动词中,符合句意的只有E)devised“设计,发明”,故答案为E)。
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