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有一很薄的塑料袋装满水后，用细线系紧后挂在弹簧秤上，示数为20N，若将其浸没在水中称，弹簧秤的示数为 _______N；若浸没煤油中时，弹簧秤的示数又为_______ N。 （煤油密度为0.8×103kg/m3）

答案

0 ；4

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Four students are talking about the future after class.
Deng Tao
In 2050, China will be richer than it’s now. Shanghai will be getting ready for the 40th Olympic Games in 2052. We’ll see the blue and clear sky and breathe the fresh air. There will be more pandas living happily in China. I believe that 2050 will be the year of China.
Lin Hong
A holiday on the moon will no longer be a dream. We can also travel far to other planets and talk with the spacemen. We might also eat something like pills that take the place of today’s meals. Everyone will enjoy a longer life.
Wang Jun
Robots will be very popular. They’ll do what people don’t want to do. We’ll build new homes on other planets. By then, I’ll be fifty years old. Maybe we’ll have an exciting talk in my new home on another planet!
Li Ping
By the year of 2050, clothing() will be used in many ways. It’ll bring back animals that disappeared many years ago. There will be no pollution. The whole world will be one big family. There will be no wars. As time passes, we’ll live a much easier and better life.
根据以上信息，选择最佳答案。
小题1: Maybe             will hold the 40th Olympics in 2052.
A. Beijing                  B. Tianjin              C. Shanghai
小题2:.            thinks that people can spend their holidays on the moon in the future.
A. Lin Hong                 B. Wang Jun            C. Li Ping
小题3:. From the talk robots will           .
A. build new homes           
B. do what people don’t want to do
C. help people discover other planets
小题4:.            will be used in many ways in 2050.
A. Cloning                    B. Robots              C. Televisions
小题5:. The four students believe in the future            .
A. it’s difficult to travel far to outer space  
B. there will be no danger and no air pollution
C. life will change for the better
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多项选择题 X型题

下列哪些因素对药品质量的优劣起着关键性的作用（）

A.人员设置

B.药品质量监督管理情况

C.药学人员药品保管养护技能以及对药品质量的重视程度、责任心的强弱、身体条件、精神状态的好坏等

D.药品质量监督管理规章制度的建立

E.实施及监督管理状况
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