7.下述实验能达到预期目的的是 ( )
|
编号 |
实验内容 |
实验目的 |
|
A |
将SO2通入酸性KMnO4溶液中 |
证明SO2具有氧化性 |
|
B |
将Cl2通入NaBr溶液中 |
比较氯与溴的氧化性强弱 |
|
C |
将SO2通入溴水中 |
证明SO2具有漂白性 |
|
D |
分别向2支试管中加入相同体积不同浓度的H2O2溶液,再向其中1支加入少量MnO2 |
研究催化剂对H2O2分解速率的影响 |
2.
只允许修改10处,多者(从11处起)不计分。
When I
first learned to write in English, I run into many difficulties.The main problem was in that I always thought in Chinese but tried
to translate everything into Chinese.My teacher advised me to keep diaries.I followed her advices.Happily it worked.Soon I began to enjoy talk to myself on paper as I was learning to
express me in simple English.One day I wrote a short story and showed to my teacher.She liked it very much that she read it to the class.Everyone said the story was the good one, I was great encouraged
by their words.
第二节:书面表达(满分30分)
最近你校对高三学生进行了一次问卷调查,调查内容和学生的反馈情况见下表。请你以“What I want to speak out most”为题写一篇英语短文,向《21世纪报》报刊投稿。
|
对校长 |
对老师 |
对家长 |
|
1. 创造良好校园环境 |
1. 增加自主思考时间 |
1. |
|
2. 让大家劳逸结合 |
2. 笑脸是阳光,上课时不要太严肃 |
2. |
|
3. 多倾听学生心声 |
|
|
注意:词数100-120,文章的题目和开头已给出(不计词数)。
What I
want to speak out most
As a
senior three student, I have many things in mind to speak out.
Firstly,
to the headmaster,