—What does PM 2.5 mean? —It's a professional ________ indicating the condition of air pollution.

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• 1The “eat-up” campaign, ______ by Xu Zhijun and his three friends, has raised awareness of food waste all over the country.

  A.started

  B.starting

  C.to be started

  D.to start

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• 2Put the cleaned fish in a mixture of 300g of salt and one liter of water to ________ all of the blood from the fish meat.

  A.replace

  B.remove

  C.calculate

  D.spoil

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• 3Messi, only 25, has won his ______ as one of the world's greatest soccer player.

  A.reputation

  B.achievement

  C.contribution

  D.civilization

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• 4______ to computer games, he had no time to go over his lessons. As a result, he failed in all subjects.

  A.Addicting

  B.Being addicted

  C.Having addicted

  D.Addicted

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• 5While working outdoors, Linda was ________ by the heat and fell to the ground, unconscious.

  A.astonished

  B.depressed

  C.overcome

  D.hit

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• 6Recently the Chinese society has ________ a flow of new words such as “Geili” and “Shanhun”．

  A.seen

  B.observed

  C.made

  D.looked

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• 7Many dog owners treat their pets like human beings, ________ if they do not have children of their own.

  A.absolutely

  B.especially

  C.eventually

  D.extremely

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• 8When the group discussion is nearing its end, make sure to ________ it with important points.

  A.conclude

  B.lead

  C.avoid

  D.hold

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• 9When the policeman stopped us, we all looked questioningly at him, ________.

  A.nervously and puzzled

  B.nervous and puzzling

  C.nervous and puzzled

  D.nervously and puzzling

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• 10“Rubber Duck”,________ by Dutch artist Florentijn Hofman，has visited many cities since 2007．

  A.being created

  B.creating

  C.created

  D.having created

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