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When there are low sales, companies often decide developing old products.

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Ozone is an unstable faintly bluish gas that is the most chemical an active form of Oxygen

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There is evidence that caribou originated into North America and crossed over whole land bridge into Asia and evolved into the Old World’s reindeer.

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“Gone With the Wind”, the epic novel about life in South during the war period, took ten years write .

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Two thousand years ago , most of Western Europe was populatedfierce, strong, artistically people known as the Celts.

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The  main advertising media includes direct mails, radio, TVs, magazines, newspapers, news

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The knee is more likely to be damage most other joints because it is subject tremendous forces during vigorous activity.

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Most Polar seals retreat open water during the winter, but a few types have learn to (survive on and under the ice all year round .

He became interested in_________  when he started taking pictures for the local newspaper.

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Many heavy work that was once done by hand now be done more easily with the help of compressed air.

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It is once writing English that causes difficulties to foreigners.

Error Identification.

It’s (A) high (B) time we (C) should study (D) for the examination. 

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Chemical compounds with Barium, Cobalt, and Strontium are responsibi to many of the vivid colors fireworks.

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Generally speaking, magnitude 1.0 earthquake on Richter scale is detected by instruments but not person.

 The word “involved”  is closest in meaning to ____.

Mark the letter A, B, C or D to indicate the correct answer to each of the following questions.

I suggest that Peter ____ the directions carefully before assembling the bicycle.

Choose a, b, c, or d that best completes each unfinished sentence, substitutes the underlined part, or has a close meaning to the original one.

One of ASEAN's objectives is to help people think about peace and ………….and do something about it.

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Every student must make up their own study list of his classes he is going to take at the beginning of quarter.

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The rock formations in the Valley of Fire from Nevada has been worn into many strange shapes by action of wind and water.

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The Aardvark is a mammal that thing into the ground to catches ants and termites.

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Light can travel from the Sun to the Earth in eight minute and twenty seconds.