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The American expression" burning your bridges’ means acting in such a way which you de stroy any chance of turning back or changing your actions. It gets its name from war. An army that is forced back across a river may decide to burn the bridge 41 crossing it. In this way, the army 42 its enemy from using the bridge. 43 , the army also destroys its own chance to 44 back across the river. Most people who" burn their bridges today don’t 45 the army. But 46 those armies, they move in a different direction with 47 chance of turning back. There is one other 48 that all bridge burners should not forget. It is a warning. "Don’t cross your bridges 49 you come to them. "The meaning is clear: wait until the right time before you 50 .

A. before
B. after
C. while

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Do you agree or disagree that mobile phones are vital to today’s business Please include specific details in your explanation.

The American expression" burning your bridges’ means acting in such a way which you de stroy any chance of turning back or changing your actions. It gets its name from war. An army that is forced back across a river may decide to burn the bridge 41 crossing it. In this way, the army 42 its enemy from using the bridge. 43 , the army also destroys its own chance to 44 back across the river. Most people who" burn their bridges today don’t 45 the army. But 46 those armies, they move in a different direction with 47 chance of turning back. There is one other 48 that all bridge burners should not forget. It is a warning. "Don’t cross your bridges 49 you come to them. "The meaning is clear: wait until the right time before you 50 .

A. Instead
B. However
C. Therefore

Quality CircleA quality circle is a volunteer group of workers, usually led by an elected team leader. They are trained to identify, and solve work-related problems. They present their solutions to management in order to improve the performance of the organization, and motivate and enrich the work of employees. Quality circles are an alternative to treating workers like machines, which is a result of the division of labor. Quality circles can aid in creating harmony and ensuring high performance. Typical topics they address are improving safety on the job, improving the design of products, and improving manufacturing performance. Question: Using information from the reading and the lecture, explain how the quality circle improves work efficiency. Now hear a talk on the same subject.

Children’s stories such as" Little Red Riding Hood" and "The Three Little Pigs" have depicted wolves. as frightening animals. In reality, these animals are social, nurturing creatures. They often spend the better part of their day playing with and tending to their young. There are two recognized species of wolves: the gray wolf and the red wolf. The grey wolf, is the largest member of the wolf family. The grey wolf had one of the widest distributions of all mammals on the planet. It once roamed North America, Europe, and Asia, but years of persecution have reduced its numbers significantly, especially in Europe. In Alaska, the northwest territories, and the former Soviet Union, the grey wolf has a thriving population. In the Northwest United States, however, the grey wolf is almost extinct, with a population of perhaps 30. Farther south in the United States the grey has disappeared completely. In Mexico, researchers estimated that fewer than 10 greys survive. The grey wolf became extinct in England about 1486; it disappeared from Scotland in 1743 and from Ireland in 1770. People knew the nature of wolf very well.

A. Right.
B. Wrong.
C. Doesn’t say.

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