To label their produce as organic, farmers have to obtain a certificate showing that no ________ chemicals have been used to kill pests on the farm for two years.

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• 1F. W. Woolworth was the first businessman to erect a true skyscraper to ________ himself, and in 1929, A1 Smith, a former governor of New York, sought to outreach him.

  A.portray

  B.proclaim

  C.exaggerate

  D.commemorate

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• 2Habits acquired in youth-notably smoking and drinking-may increase the risk of ________ diseases in a person’s later life.

  A.consecutive

  B.chronic

  C.critical

  D.cyclical

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• 3When the Italian poet Dante was ________ from his home in Florence, he decided to walk from Italy to Paris to search for the real meaning of life.

  A.exerted

  B.expired

  C.exiled

  D.exempted

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• 4From science to Shakespeare, excellent television and video programs are available ________ to teacher.

  A.in stock

  B.in store

  C.in operation

  D.in abundance

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• 5This clearly shows that crops and weeds have quite a number of ________ in common.

  A.traits

  B.traces

  C.tracks

  D.trails

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• 6Ancient Greek gymnastics training programs were considered to be an ________ part of the children’s education.

  A.intact

  B.integral

  C.inclusive

  D.infinite

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• 7Researchers have found that happiness doesn’t appear to be anyone’s; the capacity for joy is a talent you develop largely for yourself.

  A.disposal

  B.domain

  C.heritage

  D.hostage

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• 8We want out children to have more than job skills; we want their lives to be ________ and their perspectives to be broadened.

  A.envisaged

  B.excelled

  C.exceeded

  D.enriched

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• 9Online schools, which ________ the needs of different people, have emerged as an increasingly popular education alternative.

  A.stir up

  B.switch on

  C.cater to

  D.consent to

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• 10This kind of songbird sleeps much less during its annual ________,but that doesn’t seem to affect its flying.

  A.migration

  B.emigration

  C.conveyance

  D.transference

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