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【简答题】
根据下列生物学事实回答问题: 材料一 入冬之前要吃大量的食物,在体内转化为脂肪储存起来。冬眠时,进行分解利用,维持生命活动。 材料二 生活在南极寒冷环境中的企鹅,体内脂肪可4 cm。 材料三 幼儿常晒太阳,可以使皮肤表皮细胞内的胆固醇转化为维生素D,预防佝偻病。 (1) 材料一说明脂肪是__________。分布在动物内脏器官周围的脂肪还具有__________和__________的作用。 (2) 材料二说明脂肪具有__________的作用。 (3) 材料三说明维生素D能够__________。该物质属于脂质中的__________类物质,该类型物质除维生素D之外还包括__________和__________等。
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举一反三
【单选题】Jenifer thought David's photograph on the Internet dating site is an old one.
A.
Yes
B.
No
【单选题】Which of the following IS NOT the reason why psychological experts hold a skeptical attitude towards internet dating?
A.
They think the commercial practice of internet dating will damage real relationships between couples when they get to know each other better.
B.
They doubt the accuracy of the widely-claimed power of the partner-matching algorithms.
C.
Their studies don’t show a statistically significant difference between couples with similar personalities and those with dissimilar personalities.
【简答题】Internet dating has become one of the biggest and most successful business ventures on the Internet．Basically, Internet dating is a way to meet people for either friendship or dating without actually ...
【简答题】Internet dating has become one of the biggest and most successful business ventures on the Internet. Basically, Internet dating is a way to meet people for either friendship or dating without actually...
【简答题】B Internet dating has become one of the biggest and most successful business ventures on the Internet．Basically，Internet dating is a way to meet people for either friendship or dating without actually...
【单选题】帮助经销商建立客户档案，包括客户的店名、地址、电话，并根据客户的销售量将它们分成不同等级等是间接激励中的()方法。
A.
帮助经销商建立进销存报表，做安全库存数和先进先出库存管理
B.
帮助零售商进行零售终端管理
C.
帮助经销商管理其客户网来加强经销商的销售管理工作
D.
伙伴关系管理
【简答题】Internet dating has become one of the biggest and most successful business ventures on the Internet.Basically，Internet dating is a way to meet people for either friendship or dating without actually h...
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