试题与答案

下列化学用语表示正确的是[ ] A.二氧化碳的电子式为: B.乙烷的结构式为:

题型:不定项选择题

题目:

下列化学用语表示正确的是[ ]

A.二氧化碳的电子式为:

B.乙烷的结构式为:

C.甲烷的比例模型为:

D.Cl-离子的结构示意图:

答案:

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题型:填空题

(10分)化学是在分子、原子水平上研究物质的组成、结构、性质和变化规律的科学。下图为某化学反应的微观模拟示意图:表示氮原子,表示氢原子。请你根据图示回答下列问题:

甲             乙                  丙

1)丙的化学式是          ,一个丙分子是由                  构成的。

2)甲和乙在一定条件下反应生成丙,写出反应的化学方程式               

此反应所属的基本反应类型是               

3)依据图示从微观角度解释此化学变化的实质是                         

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题型:完形填空
完形填空。
     It was five minutes before midnight.
     "They should be home any time," Cindy thought as she finished the last touches on the chocolate cake
she was   1  . The cake didn't taste   2   because she had run out of sugar.
     The kitchen was in a mess (杂乱). Imagine a huge blender filled with all the things for making a chocolate
cake. Now the blender is turned   3  . High speed. Without the lid. Do you get the idea?
     But Cindy wasn't thinking about the kitchen. She was   4   for her parents to return so that she could
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     Her parents tried to come in   7  . Cindy suddenly turned on the light and laughed loud, "Ta-daaa!" She   8   
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     "Honey," Cindy's father said gently, "take a look at the table."
     "I know-it's a mess," his wife said  10 . "The whole kitchen is a  11 ." She stormed up the stairs.
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lost lunch money and untidy kitchens are troublesome but what's a little mud compared to a child's  14 ? There
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( )1. A. getting
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( )3. A. down
( )4. A. anxious
( )5. A. water
( )6. A. window
( )7. A. quietly
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( )11. A. game
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( )13. A. blinded
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B. disaster
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C. calmly
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C. loss
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题型:综合题

自强不息:(10分)

“在我们这个社会里,做事极不容易。同治年间起始的自强运动,虽未达到目的,然而能有相当的成绩,已经费了九牛二虎之力。倘若当时没有恭亲王及文祥在京内主持,没有曾国藩、李鸿章、左宗棠在京外推动,那末,英法联军及太平天国以后的中国还要麻木不仁,好像鸦片战争以后的中国一样。”                         

——蒋廷黻《中国近代史》

回答问题:

(1) 材料反映的是中国近代史上的哪场运动?这场运动的目的是什么?(3分)

(2)用史实说明实现“自强”的途径。(4分)

(3)蒋廷黻对这场自强运动持怎样的态度?(1分)

(4) 谈谈你对这场自强运动的看法。(2分)

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