2: The word "gizmos" (line 1, paragraph 2)most probably means ________.
正确答案C：devices
原文定位：As a result, the modern world isincreasingly populated by intelligent gizmos whose presence we barely noticebut whose universal existence has removed much human labor.
解题要点：从题型来看, 这属于典型的词汇题, 而词汇题的做题关键则是在原文的上下文中找出相应的近义词, 同义词和反义词之类, 也可以使同义表达医,学全,在线.搜集.整理www.med126.com.从后面定语从句来看，重点是remove human labor. 再从后面的几个例子中，factory,banking, subway train几个东西都是工具，得出答案。
3：题：According to the text, what is beyond man's ability now is to designa robot that can __
正确答案D：respondindependently to a changing world
原文定位："While we know how to tella robot to handle a specific error," says Dave Lavery, manager of arobotics program at NASA, "we can't yet give a robot enough 'common sense'to reliably interact with a dynamic world."
答题要点：reliably interact with a dynamicworld是文章中的respond independently to a changing world同义转化，并且题目中也有类似的同义替换, 如beyond man’s ability 等同于原文中的 can not yet give…
4：Besides reducing human labor, robots can also ________.
正确答案B：dealwith some errors with human intervention
原文定位：But if robots are to reach thenext stage of laborsaving utility, they will have to operate with less humansupervision and be able to make at least a few decisions for themselves — goalsthat pose a real challenge….while we know how to tell a robot to handle aspecific error…
答题要点：同义替换, with human intervention替换了文中with less human supervision.
比其他一些题目更难的地方在于, 这句话无论是原文还是正确选项都有个前提, 所以必须考虑进来, 如果不考虑前提,很有可能出现断章取义, 导致错选了A, make a fewdecision for themselves.
