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问题 判断题

如果会计政策变更能够提供更可靠、更相关的会计信息，企业可以变更会计政策。( )

答案

参考答案：对

解析： 满足下列条件之一的，可以变更会计政策：一是法律、行政法规或者国家统一的会计制度等要求变更的；二是会计政策变更能够提供更可靠、更相关的会计信息。

单项选择题

Why do airplanes take longer to fly west than east

It can take five hours to go west-east from New York(NY) to London but seven hours to travel east-west from London to NY. The reason for the difference is an atmospheric phenomenon known as the jet(喷射) stream. The jet stream is a very high altitude wind which always blows from the west to the east across the Atlantic. The planes moving at a constant air speed thus go faster in the west- east direction when they are moving with the wind than in the opposite direction.

2. What would happen if the gravity on Earth was suddenly turned off

Supposing we could magically turn off gravity. Would buildings and other structures (建筑物) float away What happened would depend on how ply the things were attached to the Earth, The Earth is moving at quite a speed, moving at over a thousand miles per hours. If you turn something around your head on a string(细绳) , it goes around in a circle until you let go of the string. Then it flies off in a straight line. ’ Switching off’ gravity would be like letting go of the string. Things not attached to the Earth would fly off in a straight line. People in buildings would suddenly shoot up-wards at a great speed until they hit the ceiling. Most things outside would fly off into space.

Where can we most probably read this text（）

A. In a research paper

B. In a short story

C. In a travel magazine

D. In a student’s book
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单项选择题

整流二极管属（）器材。

A、不控型

B、半控型

C、全控型

D、复合型
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