2019年12月英语四级卷一卷二卷三真题答案 2019下半年英语四级听力阅读原文

  仔细阅读(第一套):

  因短时间内需出三篇答案,所以此答案仅供参考,如有异议,欢迎讨论

  仔细阅读(第二套):

  因短时间内需出三篇答案,所以此答案仅供参考,如有异议,欢迎讨论

  仔细阅读(第三套):

  卷三 仔细阅读

  46-50:教材的命运

  46:C)They can’t connect professors and students as textbooks do

  47:D)Falling sales

  48:A)Reform its structures

  49:C)Answer questions using their personal experience

  50:B)They can learn in an interactive way

  51-55:新型物种

  51:D)It gets energy from both food and sunlight

  52:A)The genes it captures from the sea plant algae

  53:D)They can produce chlorophyll on their own

  54:C)They don’t usually function inside animal cells

  55:B)They can survive for months without eating