科目:初中英语 来源:2012年初中毕业升学考试(江苏连云港卷)英语(带解析) 题型:阅读理解
A Simple Scientific Experiment
Below is a description of a single scientific experiment. It shows us how iron reacts ( 反应) with air and with water. Aim : To find out if iron rusts( 生锈) (a) in dry air ; (b) in water that has no air in it ( air- free water) ; (c) in ordinary water. Materials : 3 clean iron nails ( 铁钉) ; test tubes ; test tube holder ; cotton wool ; oil ; Bunsen burner. | |
Iron in dry air Method (1)Put some iron nails at the bottom of a test tube. (2)Push some cotton wool down the tube. (3)Leave the tube for one week. Result After one week, the nails have not rusted. Conclusion Iron does not rust in dry air. Iron in air-free water Method (1)Half-fill a test tube with water. (2)Boil the water for three minutes. (This makes sure there is no air in the water. (3)Put two or three clean nails in the water. | (4)Add some oil to the water. (This will keep air out of the water.) (5) Leave the tube for one week. Result The nails do not rust in the tube with air-free water. Conclusion Iron does not rust in air- free water. Iron in ordinary water Method (1)Half –fill a test tube with water and add two or three clean nails. (2)Leave the tube for one week. Result The nails rust in the tube with ordinary water. Conclusion Iron rusts in ordinary water. (238 words) |
A.keep the air dry | B.keep the tube wet |
C.make the nails rust | D.keep the tube clean |
A.①② | B.①③ | C.②③ | D.②④ |
A.dry air | B.cotton wool | C.ordinary water | D.air-free water |
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科目:初中英语 来源:2012年初中毕业升学考试(江苏连云港卷)英语(解析版) 题型:阅读理解
A Simple Scientific Experiment
Below is a description of a single scientific experiment. It shows us how iron reacts ( 反应) with air and with water. Aim : To find out if iron rusts( 生锈) (a) in dry air ; (b) in water that has no air in it ( air- free water) ; (c) in ordinary water. Materials : 3 clean iron nails ( 铁钉) ; test tubes ; test tube holder ; cotton wool ; oil ; Bunsen burner. |
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Iron in dry air Method (1) Put some iron nails at the bottom of a test tube. (2) Push some cotton wool down the tube. (3) Leave the tube for one week. Result After one week, the nails have not rusted. Conclusion Iron does not rust in dry air. Iron in air-free water Method (1) Half-fill a test tube with water. (2) Boil the water for three minutes. (This makes sure there is no air in the water. (3) Put two or three clean nails in the water. |
(4)Add some oil to the water. (This will keep air out of the water.) (5) Leave the tube for one week. Result The nails do not rust in the tube with air-free water. Conclusion Iron does not rust in air- free water. Iron in ordinary water Method (1) Half –fill a test tube with water and add two or three clean nails. (2) Leave the tube for one week. Result The nails rust in the tube with ordinary water. Conclusion Iron rusts in ordinary water. (238 words) |
1.In the first part of the experiment the cotton wool is most probably used to ______________.
A. keep the air dry B. keep the tube wet
C. make the nails rust D. keep the tube clean
2.What are necessary steps to make sure the water in the tube is air free?
①Leave half a tube of water in it
②Boil the water for some time
③Put some clean iron nails in the tube
④Add some oil to the water
A. ①② B. ①③ C. ②③ D. ②④
3.We can conclude from the experiment that only ____________ makes iron rusty.
A. dry air B. cotton wool C. ordinary water D. air-free water
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科目:初中英语 来源:2011-2012学年江苏省江阴市初三中考模拟英语试卷(解析版) 题型:单词拼写
(B) 根据句意和汉语注释,在答题卡标有题号的横线上,写出单词的正确形式。
1.I have ordered several ________(册) of this book from abroad. Would you like to have one?
2.The silk shirt feels much ___________ (光滑的) than the wool one.
3.We are not sure if the man has any criminal ______________ (记录).
4.Jim is so _______________ (幽默的) that he is always making us laugh.
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科目:初中英语 来源: 题型:阅读理解
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科目:初中英语 来源:江苏中考真题 题型:阅读理解
阅读理解。 | |||||
A Simple Scientific Experiment | |||||
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1. In the first part of the experiment the cotton wool is most probably used to ______________. A. dry air B. cotton wool C. ordinary water D. air-free water | |||||
2. What are necessary steps to make sure the water in the tube is air free? | |||||
①Leave half a tube of water in it ②Boil the water for some time ③Put some clean iron nails in the tube ④Add some oil to the water A. ①② B. ①③ C. ②③ D. ②④ | |||||
3. We can conclude from the experiment that only ____________ makes iron rusty. | |||||
A. keep the air dry B. keep the tube wet C. make the nails rust D. keep the tube clean |
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