试题与答案

报关企业称为代理报关单位,其报关方式称作( )。A.委托报关 B.直接报关 C.代

题型:单项选择题

题目:

报关企业称为代理报关单位,其报关方式称作( )。

A.委托报关

B.直接报关

C.代理报关

D.间接报关

答案:

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下面是错误答案,用来干扰机器的。

参考答案:C

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题型:完形填空
As we know, weather and climate can affect people in a number of ways.
Farming and climate   Farming is directly linked (联系) to weather and climate. For example, wheat needs dry, warm and sunny weather to grow while rice needs wet, hot and rainy weather. Farmers have to decide what to grow according to the weather in their area. When there is a sudden change in the climate, it will affect farming and food production around the world.
Climate and people’s health   A change in weather will also cause changes in food, air and water qualities. So it will have a deep effect on people in the future. Changes in weather and climate can cause infectious (传染的) illnesses to spread among people because germs (细菌) can be easily spread through air and water. 
Climate and water resources   A climate change would influence the water system across the world. For example, in North America there is so much rain that towns and cities are often flooded. However, in North Africa, people can die of thirst because of being short of water.
In recent years, as a result of global warming (全球变暖), we suffer a lot from extreme (极端的) weather each year and it is the duty of the whole world to control the climate change and save our own planet – the earth.
Weather and climate   小题1: people in at least three ways
 小题2:and climate
◆ Different crops need different kinds of weather and climate.
◆ What to grow should be   小题3: according to the weather in this area.
◆ Food production may be affected   小题4: of a sudden change in the climate.
Climate and people’s   小题5:
◆ A change in weather may lead to changes in food, air and water qualities, so its effect on people is   小题6:.
◆ Climate change can make it easier for germs to   小题7: through air and water.
Climate and water resources
◆ Climate change may influence the water   小题8: in the world.
◆ In one area, there might be too much water while in another area, there might be not   小题9: water.
Conclusion
  小题10: the climate change to save the earth is the whole world’s duty.
 
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题型:填空题

(7分)(1)电话由话筒和听筒组成,当人们对着话筒讲话时,使振动膜压迫碳粒,使盒内碳粒的      发生变化,流过碳粒的       就相应的发生变化,使声音信号转化成强弱变的         。早先的电话听筒里都有一个        ,当有强弱不同的电流通过时, 能够吸引前面放着的薄铁片,使铁片        起来,发出声音。

(2)话筒利用         原理,听筒利用           原理。(选择”磁生电”或”电生磁”)

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