B.you'd better consult with experts
C.you should make a study about it first
D.you must give it up at the beginning
解析 细节理解题。第一段的第四句谈到对于复杂的解决问题的方法,就是要在采用之前对其进行学习和研究,故选C。
答案 C
3.The underlined word “analogies” in the text means
.A.resemblances
B.defences
C.differences
D.changes
解析 词义猜测题。根据该词后面的选择连词or可知该词与or后面的词意思相近,故选A。
答案 A
4.The main idea of the third stage is
.
A.to use an alternative solution efficiently
B.to find a cheaper problemsolving technique
C.to weigh the pros and cons
D.to choose the quickest solution
解析 主旨大意题。第三步谈到从众多方法中,权衡利弊来选择最合适的解决办法,故选C。the pros and cons表示“正面与反面”,与文中的the relative advantages and disadvantages意义相同。
答案 C
5.Which of
the following is NOT true according to the text?
A.You should note the outcome of your chosen solution.
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