Which of the following is TRUE according to Para. 1? [br] It is feasible to use

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问题 Which of the following is TRUE according to Para. 1? [br] It is feasible to use them to measure mesoscale fields, if conventional techniques were ______.

选项 A、expensive
B、massive
C、effective
D、cheap

答案 D

解析 由题干It is feasible to use the measure mesoscale fields定位到原文第三段Because using these techniques would be prohibitively expensive and time-consuming.推断题,细心的同学会发现题干的结尾单词是were,标志此句为虚拟,而且题干问到传统方法可行的条件,由此要找到与原文“expensive and time-consuming”相反概念的词汇D)cheap是expensive反义词,正合题意。[避错]A)与D)的意思相反,谨记:答案中两个含义相反的选项往往有—个是正确的。B)大量的和C)有效的都在原文中找不到对应的反义词,故错误。
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