下图是初中化学中有关甲、乙、丙、丁四种常见物质间的转化关系图。下列说法正确的是（ ）

用所给词语正确形式填空

①Our beautiful classroom ____ (clean) every day.

② Windy does ____ (badly) than me in P. E. .

③The film ____ (be) on for ten minutes when I got to the cinema.

④ —Why are you so happy today?

—Because I ____ (win)the badminton match.

⑤ Maria's parents will go to the airport by taxi because it is raining ____ (heavy).

⑥ It is ____ (say)that many drinks are bad for our health.

⑦ Tom, ____ (not swim) in the river. It's dangerous.

⑧ The apples look good and ____ (sell) well.

⑨I saw Han Mei yesterday. We ____ (not see) each other since we left Beijing.

⑩He told us he ____ (buy) a new house the next year.

放暑假了，长沙的某学生来怀化旅游，他想游览芷江受降坊，通道万佛山，洪江古商城等景点。作为东道主，你给他推荐哪一种导游图比较恰当（    ）

为了检测“苏丹红”对人体细胞的毒害作用，研究人员以哺乳动物组织块为实验材料开展有关研究，得到下表结果。下列相关叙述，不正确的是

补全对话。在横线上填上一个适当的句子，使对话完整、通顺、正确。

W: Good morning, young man.____

M: I feel weak and I've got a bad headache.

W: ____

M: No, I don't have a fever. I have taken my temperature. It's all right.

W: How about your sleep?

M: Terrible! I dream a lot and I always feel tired the next morning.

W: ____

M: I am playing computer games these days. And I play till late at night.

W: I see. You play games too much.

M: ____

W: You should not do that any more first. Then relax a little, have a warm bath and lake this medicine for a week. It will help you.

M: Thanks, doctor. ____ 

W: Three times a day.

M: OK. Thank you. Bye!