The underlined word “dissolve” is used to express the idea that organic matter and minerals from soil are _____.

试卷相关题目

• 1We can infer from the passage that the water table lies_____.

  A.between the topsoil layer and the subsoil layer

  B.in the subsoil layer above bedrock

  C.between the subsoil layer and bedrock

  D.in the bedrock layer beneath the subsoil

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• 2According to the text. which of the following is NOT true、

  A.Soil forms from weathered rock on the earth surface.

  B.The deeper layer of soil is darker in colour than the surface soil.

  C.Air pollution is partially responsible for acid soil.

  D.Groundwater tends to carry away nutrients for plant growth.

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• 3The layer of soil that provides necessary nutrients for plant growth is called.

  A.1itter

  B.topsoil

  C.humus

  D.subsoil

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• 4An exchange student staying at QUT for five days has to travel between zones every day. What type of ticket would he probably buy、

  A.Single.

  B.Weekly.

  C.Off-peak Daily.

  D.Ten—trip Saver.

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• 5We can learn from the passage that_____.

  A.buses are scheduled as usual on weekends and public holidays

  B.regular students at QUT need to buy adult tickets

  C.Pre—paid tickets can be bought from the Public Transport Information Centre

  D.Ten、-trip Savers can be used at off-peak time

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