大学英语四级阅读技巧与训练(14)

大学英语四级阅读技巧与训练

Example 1:

Just seven years ago, the Jarvik-7 artificial heart was being cheered as the model of human creativeness. The sight of Barney Clark -alive and conscious after trading his diseased heart for metal-and-plastic pump convinced the press, the public and many doctors that the future had arrived. It hadn't. After monitoring production of the Jarvik-7, and reviewing its effects on the 150 or so patients (most of whom got the device as a temporary measure) the U. S. Food and Drug Administration concluded that the machine was doing more to endanger lives than to save them. Last week the agency cancelled its earlier approval, effectively banning ( 禁止 ) the device .

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