题目

根据对话情景,在每个空白处填上一个恰当的句子,使对话的意思连贯完整。 A: Jane, would you like to tell me something about China’s dragon? B: Yes,   1   . The dragon is a symbol of Chinese nation. A: Do Chinese people regard the dragon as God? B: Yes, they are proud of dragon culture. A:    2   . B: And they hold many activities about the dragon. A:   3   ? B: They row dragon boats or play dragons and lions. They believe   4   . A: How amazing! B: Good. Have a good luck in the year of dragon. A:   5   . 1.            人体所需的元素从食物中摄取不足时,通过食品添加剂和保健药剂来补充.如制成补钙、补锌的保健药剂或制成加碘食盐等,来增加对这些元素的摄入量.(1)碳酸钙是一种价廉高钙补钙剂,虽然碳酸钙难溶于水,但服用后可转化为可溶性钙盐被人体吸收,其中的道理是(用化学方程式表示) .(2)为了提高补钙效果,服用这种补钙剂时常需配合服用维生素D,据此推测维生素D的功能是: .
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