Answer q20 in 1981 children in the united states

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Answer: ------------------------------------------------------------------------------------------------------- Q20 In 1981 children in the United States spent an average of slightly less than two and a half hours a week doing household chores; by 1997 they had spent nearly six hours a week. A. chores; by 1997 they had spent nearly six hours a week B. chores; by 1997 that figure had grown to nearly six hours a week C. chores, whereas nearly six hours a week were spent in 1997 D. chores, compared with a figure of nearly six hours a week in 1997 E. chores, that figure growing to nearly six hours a week in 1997 answer: ------------------------------------------------------------------------------------------------------- Q21 Until recently, the Inuit people led a nomadic existence, sheltering in igloos, the ice-block domes that are peculiar to north-central Canada, and in structures made of stones, bones, driftwood, and skins. A. Until recently, the Inuit people led a nomadic existence, sheltering B. During recent times, the Inuit people lead a nomadic existence, sheltering. C. In the times that are recent, the Inuit people led a nomadic exis- tence, sheltered. D. Up until recently, the Inuit people, leading a nomadic existence, have sheltered. E. Until recent time, leading a nomadic existence, the Inuit people were sheltered. Answer: ------------------------------------------------------------------------------------------------------- Q22 People who have spent a lot of time in contact with animals often develop animal-induced allergies, some of them quite serious. In a survey of current employees in major zoos, about 30 percent had animal-induced allergies. Based on this sample, experts conclude that among members of the general population who have spent a similarly large amount of time in close contact with animals, the percentage with animal-induced allergies is not 30 percent but substantially more.
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Which of the following, if true, provides the strongest grounds for the experts’ conclusion? A. A zoo employee who develops a serious animal-induced allergy is very likely to switch to some other occupation. B. A zoo employee is more likely than a person in the general population to keep one or more animal pets at home C. The percentage of the general population whose level of exposure to animals matches that of a zoo employee is quite small. D. Exposure to domestic pets is, on the whole, less likely to cause animal- induced allergy than exposure to many of the animals kept in zoos. E. Zoo employees seldom wear protective gear when they handle animals in their care. Answer: ------------------------------------------------------------------------------------------------------- Q23 Trans World Entertainment Corporation, which owns the Record Town and Saturday Matinee retail chains, announced that since sales of up to one-fourth of its stores are poor, they will be closed. A. that since sales of up to one-fourth of its stores are poor, they will be closed. B. it is closing up to one-fourth of its stores, which accounted for its poor sales C. it was closing up to one fourth of its stores because of poor sales. D. to be closing, on account of poor sales, up to one-fourth of its stores.
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