The author mentions Harlow’s experiment to show that( ) A. adults should develop social skills B. babies need warm physical contact C. caregivers should be healthy adults D. monkeys have social relationships
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阅读下列短文,从每题所给的A、B、C、D四个选项中,选出最佳选项,回答46-50题。 Tens of thousan
阅读下列短文,从每题所给的A、B、C、D四个选项中,选出最佳选项,回答46-50题。 Tens of thousands of theatre ticket