以下是引用tony6在2004-8-19 18:55:00的发言:这题我在做的时候也选了A,但是当时看了半天才选,主要是在A、B中 Hunters alone are blamed for the decline in Greenrock National Forest’s deer population over the past ten years. Yet clearly, black bears have also played an important role in this decline. 在这前后两句中,如何判定结论?Yet clearly能不能起到thus, therefore的作用作为结论的信号词?请教。
Modern navigation systems, which are found in most of today’s commercial aircraft, are
made with low-power circuitry, which is more susceptible to interference than the
vacuum-tube circuitry found in older planes. (Fact)
During landing, navigation systems receive radio signals from the airport to guide
the plane to the runway. (Principle)
Recently, one plane with low-power circuitry veered off course during landing, its dials
dimming, when a passenger turned on a laptop computer. (Evidence)
Clearly, modern aircraft navigation systems are being put at risk by the electronic
devices that passengers carry on board, such as cassette players and laptop
computers. (Conclusion)
Here is an example how the sentence after "clearly" -- is a conclusion |