1.The teacher has requested the students to()in
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Man: Excuse me, I was told I could find Dr. Adkins here. Woman: And you have. Question: Wh
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Scientists study the______ between parents and their babies to better understand how infan
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Natural history exhibits differ from art exhibits in that they______.A.are boughtB.are not
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By "his outdoor cousins" the author means______.A.other experimentersB.the other doves of
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The reasons why birds don't get lost on long flights______.A.have been known to scientists
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______the impact of the ideas introduced to Europe by soldiers returning from the East, th
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This ambitious project, ______ scores of organizations around the world, will take at leas
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During daylight hours, birds______.A.wheel back and forth for nothingB.do not fly long dis
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Which of the following words can best describe the popular understanding of "environment"
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