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托福阅读词汇题:potent&artificial

2015-08-20 11:12:03来源:网络

  【托福阅读词汇题:potent&artificial新托福TPO阅读中,词汇题是重要托福阅读题型。托福阅读词汇题做题需要考生掌握一定的词汇量和做题技巧。本文中新东方在线托福网汇总了新托福阅读词汇150题:potent&artificial。

  Paragraph 2: Such techniques, however, have limitations. First, the observation may be unreliable in that two or more observers may not agree that the particular response occurred, or to what degree it occurred. Second, responses are difficult to quantify. Often the rapid and diffuse movements of the infant make it difficult to get an accurate record of the number of responses. The third, and most potent, limitation is that it is not possible to be certain that the infant's response was due to the stimulus presented or to a change from no stimulus to a stimulus. The infant may be responding to aspects of the stimulus different than those identified by the investigator. Therefore, when observational assessment is used as a technique for studying infant perceptual abilities, care must be taken not to overgeneralize from the data or to rely on one or two studies as conclusive evidence of a particular perceptual ability of the infant. 【TPO13- Methods of Studying Infant Perception】

  5. The word potent in the passage is closest in meaning to

  ○artificial

  ○powerful

  ○common

  ○similar

  答案见下一页:

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