Until recently, economy class was at least “bearable” — with an 86­centimeter seat. Scheduled Airlines such as BA and KLM gave passengers enough leg room and comfortable seats. But the arrival of new, weight­saving seats caused economy class to take a turn for the worse. Extra rows have been put into the plane, with the result that the average seat now is 79 centimetres. Singapore Airlines has become the latest carrier to narrow down its seats. It

　　announced free wine for economy passengers last September, but at the same time reduced leg room by 8 centimetres.

　　Economy class on Scheduled Airlines is now often little better than economy on Qatar Airways. Some Qatar Airways even offer the chance to upgrade — at a price — to seats which, at 89－91 centimetres, are roomier than those of most Scheduled Airlines.

　　语篇解读：本文是一篇夹叙夹议文。主要介绍了飞机经济舱的座位的空间大小对乘客安全的影响。

　　9．What can we learn from the passage?

　　A．Scheduled Airlines produced new comfortable seats for economy class.

　　B．Doctors from Vienna said less space between seats could cause danger.

　　C．Spokesman for BA declared that narrow seat space was a threat.

　　D．Qatar Airways offered larger seats with no more charge.

　　解析：选B　推理判断题。根据第一段第二句及第二段第一句中的“doctors of Vienna stated that only 10% in economy class could ... in case of emergency”可推知，维也纳的医生认为飞机上座位之间的空间变小会导致危险发生。故选B。

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