试题与答案

(7分)已知A~G七种物质都是初中化学课本中出现过的化合物,其中F是常用的建筑材

题型:推断题

题目:

(7分)已知A~G七种物质都是初中化学课本中出现过的化合物,其中F是常用的建筑材料;H为常见的单质。各物质之间存在如下转化关系(反应条件如下图所示)。

(1)请写出物质A的化学式                   。上述蓝色溶液中的溶质有                                  

(2)在①~⑥反应中属于化合反应的方程式是                                 

(3)上述转化过程中,有能够反映我国古代人民在化学方面对人类作出伟大贡献的变化。

请举出其中一例,用化学方程式表示                                    

答案:

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参考答案: 

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题型:阅读理解

阅读理解。

                                                        Bungee Jumping (蹦极)

     More and more people around the world are taking part in some dangerous activities. Of course, many

people have climbed the highest mountains or explored unknown parts of the world. Now, however, there

are people who want to get quick pleasure from a dangerous activity, which may only last a few minutes or

even seconds.

     I think bungee jumping is a good example of such an activity. You jump from a high place 200 meters

above the ground with an elastic rope (弹力绳) tying to your ankles (脚踝). You fall at up to 150 kilometers

an hour until the rope stops you from hitting the ground. It is said that 2,000,000 people around the world

have now tried bungee jumping. Other activities, such as jumping from the tall buildings and diving into the

sea from the top of high rocks are as dangerous as bungee jumping.

     Why do people take part in such activities? Some scientists think it is because life in modern society has

become safe and boring. Now life has little excitement.

 根据短文内容判断正误(正确的填“T”,错误的填“F”):

( )1. More and more people are taking part in dangerous activities because life 

        in modern society is very exciting. 

2. 将短文中划线的句子译成汉语: 

    ____________________________________________________________________

根据短文内容,回答下列问题:

3. How many people around the world have tried bungee jumping? 

    ____________________________________________________________________

4. What activities are as dangerous as bungee jumping? 

    ____________________________________________________________________

根据短文内容,完成下列句子:

5. Though bungee jumping only lasts a few minutes, people can get _________ from it.

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