下列物质中，不能被消化道直接吸收的物质是_刷题宝

题干

下列物质中，不能被消化道直接吸收的物质是（　　）

A：水

B：无机盐

C：菜油

D：维生素

上一题下一题 0.0难度选择题更新时间:2014-03-01 03:27:38

答案(点此获取答案解析）

C

同类题1

假设你是LiMing,以下是你的美国笔友Tina发给你的一封邮件，请你根据该邮件内容给Tina回一封邮件。

From:	Tina
To:	Li Ming
Subject:	I am coming!
Hi Li Ming, How is everything? I'm very happy that the holidays are coming. I want to go to your hometown to visit you in February. Is this good? What's the weather like in your hometown? How can I travel around? And what should I take with me? I know Spring Festival comes in February this year, and it is a very important festival for you. How do you celebrate it? I'm looking forward to your reply. Best wishes to your parents! Yours, Tina

要求：①请按电子邮件的格式来完成整个邮件；②邮件中不能出现真实姓名、校名等相关信息。③词数：约110词（不含开头、结尾部分）

From:	Tina
To:	Li Ming
Subject:	Welcome!
Hi Tina, I'm so glad you are coming to my hometown. I hope this may help. Yours, Li Ming

同类题2

向MgCl₂和AlCl₃的混合溶液中加入氢氧化钠溶液，所得沉淀的物质的量（n）与加入氢氧化钠溶液的体积（V）关系如下图所示。

则下列说法正确的是（）

同类题3

With these words, Tom went on ________ his homework.

同类题4

将夏桀、商纣和周厉王三人归为一类的标准是（）

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甲、乙两个相同的密闭容器中分别装有等质量的同种气体，已知甲、乙容器中气体的压强分别为p_甲、P_乙，且p_甲＜p_乙．则（）

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