单选题In the passage, the author is primarily interested in ______.Asuggesting an alternative to an out-dated research methodBintroducing a new research method that calls an accepted theory into questionCemphasizing the instability of data gathered from the application of a new scientific methodDpresenting a theory and describing a new method to test that theoryEinitiating a debate about a widely accepted theory
单选题
In the passage, the author is primarily interested in ______.
A
suggesting an alternative to an out-dated research method
B
introducing a new research method that calls an accepted theory into question
C
emphasizing the instability of data gathered from the application of a new scientific method
D
presenting a theory and describing a new method to test that theory
E
initiating a debate about a widely accepted theory
参考解析
解析：
主旨题。文章开始处，作者便提出了一种新的理论——即Milankovitch理论，然后第二段第二句中，作者提到：A recent discovery makes such a determination possible…，接着作者又对可以验证这个新理论的新方法进行了描述，故D项是正确的。
主旨题。文章开始处，作者便提出了一种新的理论——即Milankovitch理论，然后第二段第二句中，作者提到：A recent discovery makes such a determination possible…，接着作者又对可以验证这个新理论的新方法进行了描述，故D项是正确的。
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