What is the key information the author wants to give in Paragraph 1、

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• 1What can be said about MITx according to the text、

  A.It is first offered as part of the edX learning program.

  B.It is another free MIT-Harvard online learning program.

  C.It is a standard to recognize online learners’ achievement.

  D.It is a new kind of free online course of Harvard and MIT.

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• 2The underlined part in the text probably means “        ”.

  A.Get ready for the difficulties

  B.Get ready for this educational change

  C.Get prepared to complete the online courses

  D.Get prepared to make materials for the edX courses

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• 3What is said about online education in the text、

  A.Universities have been trying online courses.

  B.About 2,000 online courses have been offered.

  C.Over 100 million people have finished courses online.

  D.C.Over 100 million people have finished courses onlin

  E.D.Stanford and Yale together have courses similar to edX.

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• 4According to this text, edX is _______.

  A.a part of the free MIT OpenCourseWare

  B.a free computer program by MIT and Harvard

  C.a Harvard-MIT platform of free online courses

  D.a free program online for universities worldwide

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• 5What does the author mainly want to tell readers in the last paragraph、

  A.It pays to stick to one’s goal.

  B.Hard work can lead to success.

  C.She feels like being unexpectedly lucky.

  D.There is no end in sight when starting to do something.

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• 6We can learn from the study published on the Nature website that ______.

  A.plants’ flowering is 8.5 times faster than leafing

  B.there are 1,634 plant species on the four continents

  C.scientists should improve the design of the experiments

  D.the experiments failed to predict how plants react to climate change

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• 7Scientists pay special attention to the study of plants because _______.

  A.they can prove the climate change clearly

  B.they are very important in the food chains

  C.they play a leading role in reducing global warming

  D.they are growing and flowering much faster than before

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• 8What can be inferred from the last two paragraphs about the world’s temperature、

  A.It has risen nearly 0.2℃ since 1979.

  B.Its change will lead to weather extremes.

  C.It is 0.8℃ higher in 1979 than that of 1990.

  D.It needs to be controlled within 2℃ in this century.

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