日常生活中加碘食盐、高钙牛奶中的“碘”和“钙”是指_刷题宝

题干

日常生活中加碘食盐、高钙牛奶中的“碘”和“钙”是指

A：离子

B：分子

C：原子

D：元素

上一题下一题 0.0难度选择题更新时间:2018-04-14 06:00:31

答案(点此获取答案解析）

D

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课题“金色的脚印”是指（）

同类题2

《中国近代史：1600－2000》一书中指出：“革命与民国并未带来预期的和平与秩序，民国时期较以前经历更多的痛苦与失序，它重现了传统上紧随王朝衰亡而来的失序与混乱。”这表明

同类题3

Look! A boy is walking __________ the street.

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如图，O是坐标原点，菱形OABC的顶点A的坐标为（﹣3，4），顶点C在x轴的负半轴上，函数y=

\frac{k}{x}

（x＜0）的图象经过顶点B，则k的值为（）

同类题5

完成对话（每空词数不限）

Doctor: Hello, Larry.（1）____.

Larry: I feel terrible. I have a sore throat and a headache.

Doctor: OK. Did you take any medicine?

Larry: （2）____ I have had nothing till now.

Doctor: Well, don't worry! I don’t think you get the flu（流感）．I think it's just a cold.

Larry: OK.（3）____

Doctor: You should drink lots of water and take some Vitamin C.

Larry: All right. Is there anything else I can do?

Doctor: Well, you should go to bed early.

Larry: Should I stay off school for a few days? Should I stay in bed?

Doctor: （4）____ It's nothing serious, so （5）____ as usual.

Larry: Oh dear! I have a math exam tomorrow.

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