It's also important to know how to avoid daydreams for those times when you really need to concentrate.“Mindfulness”， being focused, is a tool that some people use to avoid falling asleep. __4__

　　Finally, you never know what wonderful idea might strike while your mind has moved slowly away. __5__

　　Always remember that your best ideas might come when your head is actually in the clouds.

　　A. Having interesting things to think about also helps.

　　B. They stare off into space and wander by themselves.

　　C. Without wandering minds, we wouldn't have relativity, Coke or Post­it notes.

　　D. At one time, daydreaming was thought to be a cause of some mental illnesses.

　　E. It involves slow, steady breathing for self­control that helps people stay calm and attentive.

　　F. Daydreams are often very simple and direct, quite unlike sleep dreams, which may be hard to understand.

　　G. Therefore, it's a good idea to keep a notebook or voice recorder nearby when you're in the daydream zone.

　　答案与解析　

　　语篇解读　本文是一篇说明文，分析了空想的利弊，并介绍了如何有效利用空想来培养创新的想法。

　　1．B　空前一句和空后一句都是空想家不好的外在表现，主语都是They，故本空答案为B项。

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