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储存氧气瓶时，温度必须低于_，离明火的距离要大于_。

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Directions: There are 4 passages in this part. Each passage is followed by some questions

A. The author means that lots of people read few books.
B. The author thinks that readers have only absorbed part of knowledge in books.
C. The author holds that few people have a proper idea about what content some kind of books should include.
D. The author considers that readers can scarcely understand most of the books.

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Many say that the transition to a low carbon economy offers the greatest economic opportunities ever known. At the start of the information revolution, few would have guessed at just how widespread and profound the effect would be on society: today we can barely imagine life without modern information technology. Companies like Google, Yahoo! and Amazon are some of the most successful companies in the world. We are now at the start of the low carbon revolution and those that have started on their low carbon journey already are seeing benefits such as new markets and customers and reduced bills and risks.

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A.struggledB.sprangC.skippedD.skated

A. struggled
B. sprang
C. skipped
D. skated

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A.decideB.classifyC.selectD.measure

A. decide
B. classify
C. select
D. measure

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储存氧气瓶时，温度必须低于_______，离明火的距离要大于_______。

Directions: There are 4 passages in this part. Each passage is followed by some questions

A.struggledB.sprangC.skippedD.skated

A.decideB.classifyC.selectD.measure

储存氧气瓶时，温度必须低于_，离明火的距离要大于_。