Automatic control systems are designed by engineers who have little practical experience in the field
The failures are characteristic of systems designed by engineers relying too heavily on concepts in mathematics
The failures occur too often to be taken lightly
Designers of automatic control systems have too little training in the analysis of mechanical difficulties
Designers of automatic control systems need more help from scientists who have a better understanding of the analytical problems to be solved before such systems can work efficiently
本题在原文中的定位为:Absurd random failures that plague automatic control systems are not merely trivial aberrations; they are a reflection of the chaos that results when design is assumed to be primarily a problem in mathematics. 这个句子中间用分号隔开,分号前的部分对应着题干中的问题,分号后即是对前半句的解释,也就是说这个句子本身就是一问一答型,答案就是后半句话,在选择答案时我们只要看哪个选项是对这句话的变形即可。注意这半句话中chaos是一个关键词,that 引导定语从句,而这个定语从句中又有一个关键短语:result in,这个短语是表示结果的,然后看它的宾语是mathematics,而这个名词是不能被替换掉的,直接从五个选项中挑选,只有B说出了mathematics,无疑这就是正确答案了。解答本题时能看出mathematics这一重心之后,根本不需要自己进行任何总结和概括,看出哪个选项是对原句的变形就全部搞定了。我们再仔细看一下B答案,其中rely heavily on代替了原句中的chaos result in,而意义与先前保持一致。
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