The Nature paper suggests______may be an influential factor affecting malaria A.warmer climateB.human involvementC.droughtD.biology diversity请帮忙给出正确答案和分析,谢谢!
What disturbs the writer about video-recorders?A.They are easily damaged B.It is difficult to operate them C.They vary for no obvious reasons D.They are complex 请帮忙给出正确答案和分析,谢谢!
Which of the following substance can NOT be found directly from an old ventilation system?A.Chemical disinfectants B.Bacteria C.Fungi D.Pentachlorophenol 请帮忙给出正确答案和分析,谢谢!
Which of the following is NOT mentioned as a group that was opposed to railroads?A.Political figures B.Inn holders C.Businessmen D.Some interest groups 请帮忙给出正确答案和分析,谢谢!
We know from the second paragraph that the author considers the present definition of the word "science "______ A.ambiguousB.ambivalentC.questionableD.inappropriate请帮忙给出正确答案和分析,谢谢!