Below the topsoil of the earth is the subsoil, _____ layer that contains stones mixed with a small amount of _____ organic matter.

试卷相关题目

• 1When are the visitors expected to ask questions、

  A.During the lunch hour.

  B.After the welcome speech.

  C.Before the tour of the labs.

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• 2What can students do in the practical areas、

  A.Take science courses.

  B.Enjoy excellent meals .

  C.Attend workshops.

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• 3Where can the visitors learn about the subjects for new students、

  A.In the school hall.

  B.In the science labs.

  C.In the classrooms.

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• 4What is the talk mainly about、

  A.The history of the school.

  B.The courses for the term.

  C.The plan for the day.

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• 5How did the accident happen、

  A.A lorry hit a car.

  B.A car ran into a lorry.

  C.A bank clerk rushed into the street.

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• 6—Mike, have you ever heard of the latest water heater using solar energy、—Yes, of course, but I haven’t decided whether to buy _____.

  A.it

  B.one

  C.this

  D.that

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• 7—I counted sheep, I drank milk and I tried everything, but nothing helped.—It seems you _____ too much recently. Try some sleeping pills.

  A.worked

  B.work

  C.had worked

  D.have been working

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• 8Livemoch

  A.com is a free site _____ visitors can not just learn languages but also chat online.A.that

  B.which

  C.where

  D.what

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• 9—John is really expert at fighting cybercrime!—Yes, but he _____ his potential if it had not been for his desire to meet the new challenge.

  A.never realized

  B.would never realize

  C.would never have realized

  D.had never realized

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• 10—Jimmy had a lot of parties recently.—Yes, that might _____ why he didn’t do well in the test.

  A.account for

  B.push for

  C.make for

  D.compensate for

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