题目

下图所示为物质出入细胞的四种方式示意图,请据图回答问题。(1)图中A表示 方式,B表示 方式,C表示 方式,D表示 方式。(2)O2和葡萄糖两种物质中,通过B方式进入红细胞的是 。(3)与A方式相比,B方式的主要特点是需要借助 ,该物质是在细胞内的 上合成的。(4)胰岛B细胞分泌胰岛素是通过 方式进行,该种运输方式也体现出细胞膜 的 特点。(5)若在细胞中注入某种呼吸抑制剂, 方式将会受到较大影响。 根据对话内容,从方框内的选项中选出能填入空白处的最佳选项。选项中有两项为多余选项。 A:Have you ever read today’s newspaper? B:No.I haven’t.  1  A:Yes.The Olympic flame(奥运圣火)will come to our city.Everybody is very excited about it. B:Sounds great !  2  A:It is reported that it’ll start on July 5th.One student from our school has been chosen to join in the torch relay(火炬接力). B:  3  He must be the luckiest student in our school. A:  4  B:I wish I could.Thank you for telling me such exciting news. A:  5  Let’s wish the torch relay in Yan’an a big success A.How lucky he is! B.What would you like me to do? C.Anything new? D.Not at all. E.When will the torch relay start? F.Would you like to watch the torch relay then? G.I really must go now.
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