?red and blue liqpid food coloring coloring to the water above the cold cup. Add both colors at the same time. Results : Color blue Water cold Observations sinks and stays together; moves slowly toward hot side in a band of color; spreads out over the hot cup red hot spreads quickly across the top; covers whole top in 1～2 minutes,then starts to sink Hello, everybody. Here is our report on the experiment “ 71 ”. First, we put the glass tray full of warm water on top of two cups with 200 ml of 72 water and cold water. Then, we add red and blue liquid food colorings into the water above the hot and cold cups. at the same time.
After careful observations, we got the 73 . The blue food liquid coloring moves downward first and then to the hot side while the 74 one spreads quickly and covers whole top in a short time and goes down; the blue liquid food coloring spreads more 75 than the red
one. Thank you for listening. 【答案】1．science． 2．hot． 3．report． 4．hot． 5．Slowly．
七、书面表达（本题有1小题；共计20分）
76.某英文网站正举办主题为“Independence”的征文活动。假如你是张华，请用英语写一篇短文投稿。短文必须结合你的亲身经历，描述与独立这一优秀品质相关的一件事情，并
谈谈它给你带来的影响及感受。
注意：①词数：80～100；
②短文开头仅供选择使用，不计入总词数； ③文中不得出现真实的人名和校名等相关信息。 短文开头： I still remember．．
【参考答案】Nowadays， most children， who are the only child in the family， are given too much love by their parents． It is because that they are protected from hardship and difficulties， they become less independent．
Last year my parents went on business and I was the only one at home．I had to try to cook my own meals， do the dishes and do the housework． I realized that I was often taken care of by my parents and lacked independence． During the days without my parents， I learned to take care of myself and the importance of independence．
We should know the fact that no parents can keep a good company with their children for the whole life． Thus， parents should encourage their children to do whatever they can， so as to develop their abilities of independence．
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