5.以下现象与电化腐蚀无关的是 ( )
A.黄铜(铜锌合金)制作的铜锣不易产生铜绿
B.生铁比软铁芯(几乎是纯铁)容易生锈
C.铁质器件附有铜质配件,在接触处易生铁锈
D.银质奖章久置后表面变暗
4.加水稀释醋酸钠溶液,随着水量增加而逐渐增大的是:①c(Na+) ②c(OH-) ③c(H+) ④c(CH3COO-) ⑤c(CH3COOH) ⑥c(CH3COOH)/(CH3COO-) ( )
A.②⑤ B.③⑥
C.②③⑤⑥ D.全部
3.某溶液中水电离出的c(H+)=10-5mol·L-1,则该溶液可能是 ( )
A.盐酸 B.醋酸
C.氯化铵溶液 D.氯化钠溶液
2.常温下,pH均为4的NaHSO4溶液、NH4C1溶液中由水电离产生的C(H+)分别为amol·L-1、bmol·L-1,则a/b等于 ( )
A.1 B.4 C.10-6 D.104
1.常温下,pH<7的溶液一定是 ( )
A.酸溶液 B.碱溶液
C.盐溶液 D.酸性溶液
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注意:
1.字数:80-120。
2.标题与开头已写好,不计入总词数
Outer Space Explorations, YES or NO?
We had an argument over whether it was necessary to carry out outer space explorations at a class meeting the other day.
绍兴一中2008学年第 二 学 期高一英语期中试卷答题纸
单词拼写
1. s_________ 2. a _________ 3. d_________ 4. b_________
5. p_________ 6. a_________ 7. m_________ 8. a_________
9. d_________ 10. f_________ 11. c_________ 12. w_________
短文改错
Tom and Dick are next door friend who both work in same office so they often walk together to and from office. One day they were walking to home together while it suddenly started to rain. Tom quickly open his umbrella and said proud, “My wife had great foresight. She said this morning it would rain and told me to carry my umbrella with me.” Dick smiled and walked closely to him under the protection of Tom’s umbrella, said “My wife had ever greater foresight. She didn’t let me carry my umbrella as he knew you would have yours with you.”
书面表达
Outer Space Explorations, YES or NO? We had an argument over whether it was necessary to carry out outer space explorations at a class meeting the other day. |
假定英语课上老师要求同桌之间交换修改作文,请你修改你同桌写的以下作文。文中共有10处语言错误,每句中最多有两处。错误涉及一个单词的增加、删除或修改。
增加:在缺词处加一个漏字符号(∧),并在其下面写出该加的词。
删除:把多余的词作斜线(\)划掉。
修改:在错的词下划一横线,并在该词下面写出修改后的词。
注意:1. 每处错误及其修改均仅限一词;
2. 只允许修改10处,多者(从第11处起)不计分。
Tom and Dick are next door friend who both work in same office so they often walk together to and from office. One day they were walking to home together while it suddenly started to rain. Tom quickly open his umbrella and said proud, “My wife had great foresight. She said this morning it would rain and told me to carry my umbrella with me.” Dick smiled and walked closely to him under the protection of Tom’s umbrella, said “My wife had ever greater foresight. She didn’t let me carry my umbrella as he knew you would have yours with you.
10. The river is so polluted that every day we can see a lot of things f________ on the water. 11. As is known to all, there are seven c___________ in the world. 12. An order came that we should finish the work w__________ three days.
1. Many children s________ to death in Africa because of the lack of food. 2. On his a_______, he was greatly welcomed by his fans. 3. She is so fat that she has made up her mind to go on a d_________ to lose weight. 4. Knowledge can be of great b_______ to everybody. 5. Smoking is not p__________ in our school. 6. As is known to all, we should never judge a person only by his a_________. 7. It's good m________ to say good-bye to the host when leaving. 8. The reason he gave to a_________ for his absence was unbelievable. 9. Whether you can succeed in the competition d_________ on whether you have fully prepared for it.
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