A seismograph is a <u>device</u> designed to measure vibrations of the ground.

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• 1It’s hard to <u>alter</u> one’s habits.

  A.change

  B.develop

  C.shorten

  D.enlarge

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• 2At the sports meet, athletes <u>compete with </u>each other for the gold medals.

  A.rival

  B.attempt

  C.contend

  D.trick

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• 3Rose stood there until she finally <u>lost sight of </u>the train.

  A.couldn’t see

  B.look

  C.lose

  D.can’t see

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• 4Glassmaking was the first <u>major</u> industry in the United States.

  A.productive

  B.profitable

  C.specialized

  D.sizable

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• 5The very fresh air will finally help her to <u>resume</u> her health.

  A.bring back

  B.contribute

  C.do harm

  D.rebuild

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• 6The U. S. was in 1850 a <u>divided</u> nation half slave and half free.

  A.allied

  B.combined

  C.united

  D.separate

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• 7Don’t you think that’s an <u>indicator</u> of fine weather 、

  A.sign

  B.signal

  C.symbol

  D.predicament

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• 8The new communication system is by no means a <u>minute</u> invention.

  A.small

  B.accidental

  C.significant

  D.timely

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• 9I feel <u>obligated</u> to give my opinion on the subject.

  A.required

  B.determined

  C.encouraged

  D.forbidden

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• 10The group <u>ridiculed </u>my suggestion.

  A.laugh at

  B.accepted

  C.disagreed with

  D.discouraged

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