A. early

　　B. sweetly

　　C. quickly

　　D. smoothly

　　答案：D　考查推测词义。如果先收养猫并且猫不到6个，狗不到一年，他们就能顺利的和平相处。2/3被采访的家庭也表明这样的结果。

　　69．Some cats and dogs may fight when________.

　　A. they are cold to each other

　　B. they look away from each other

　　C. they misunderstand each other's signals

　　D. they are introduced at an early age

　　答案：C　考查细节理解。根据第二段第二句中“...while aggression and fighting were observed in 10% of the homes. One reason for this is probably that some of their body signals were just opposite.”可知选C。

　　70．It is suggested in paragraph 4 that cats and dogs________.

　　A. have common interests

　　B. are less different than we thought

　　C. have a common body language

　　D. are less intelligent than we expected

　　答案：B　考查细节理解。根据文章第四段第二句中的“They can learn to read each other's body signals, suggesting that the two may have more in common than was preciously suspected.”可知B正确。

　　E

　　(2017·浙江省部分重点中学2月联考)

　　If your preschoolers turn up their noses at carrots or celery, a small reward like a sticker for taking even a taste may help get them to eat previously disliked foods, a UK study said.

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