26．A.worrying

　　B．desiring

　　C．playing

　　D．hesitating

　　答案　A

　　解析　根据下文中“Instead of fretting(苦恼)”的提示可判断选A项。

　　27．A.gain

　　B．miss

　　C．treasure

　　D．quit

　　答案　B

　　解析　一些没有必要的压力让我们错过了生活中许多美好的东西，故选B项。

　　28．A.face

　　B．take

　　C．solve

　　D．forget

　　答案　D

　　解析　既然想不出办法去解决问题，那不妨忘掉它，享受现在。

　　(二)

　　Ⅰ.阅读理解

　　Next time you fly，here’s the perfect excuse to switch off your work computer，put down the crossword and settle down with a drink and a movie.Travelling by plane can make it more difficult to think.

　　Professor David Gradwell advises fliers to sit back and relax rather than keeping busy by doing puzzles or important work.This is because the air pressure on planes is lower than it is at sea level，making it harder for the brain to make use of oxygen in the air，thus affecting its performance.

　　Typically，when a plane is cruising at 40,000ft，the air pressure in the cabin will be equal to that found outside at 6,000 to 8,000ft.Learning can be damaged at 8,000ft，so you don’t want to make the biggest decision of your life on planes.

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