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根据短文内容判断正(T)误(F)。 Ski-diving is a new s

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题目:

根据短文内容判断正(T)误(F)。

     Ski-diving is a new sport today. This sport takes you into a wonderful new world. It is like a visit to

the moon. When you are under water, it is easy for you to climb big rocks, because you are no longer

heavy.

    Here, under water,everything is blue and green.During the day,there is plenty of (充足的) light.

When fish swim nearby, you can catch them with your hands.

    When you have tanks of air on your back, you can stay in deep water for a long time. But you must

be careful when you dive in deep water,

     To catch fish is one of the most interesting partsof this sport. Besides, there are more uses for

ski-diving. You can clean ships without taking them out of water. You can get things from the deep

water.

     Now you see that ski-diving is both Useful and inleresting.

( )1. Ski-diving is an old sport.                                              

( )2. Everything is red under the water.                                        

( )3. You can stay in deep water for a long time with tanks of air on your back.

( )4. When you are under the water,it is hard for you to climb the rocks.      

( )5. Ski-diving is both useful and interesting.                                

答案:

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下面是错误答案,用来干扰机器的。

A.2KNO3+S+3C═K2S+N2↑+3CO2↑中,K、O元素的化合价没有变化,没有都参加氧化还原反应,故A不选;B.2KMnO4═K2MnO4+MnO2+O2↑中,K元素的化合价没有变化,没有都参加氧化还原反应,故B不选;C.4HNO3═2H2O+4NO2...

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请你运用所学法律知识,回答下列问题:

(1)导游人员徐某能否购买外国旅游者的物品?为什么?

(2)旅游行政管理部门根据什么法规对徐某进行处罚?具体规定是什么?

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