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问题 单项选择题

关于自给式呼吸器的错误说法是（）。

A、使用人员必须经过培训合格后方可操作

B、该设备装置提供的是氧气

C、决不要任意更换或修改本呼吸器

D、有络腮胡子、蓄须者，可能会引起面罩泄漏而导致受伤害

答案

参考答案：B

听力题

“For those who haven’t been to Tibet, Tibet is a dream; for those who have a   1   been there, Tibet is a remembrance（记忆）.” said Li Wan, a graduate from Zhongshan University. “To local Tibetans, Tibet is a way of life. But to me, l   2 there is my life-time goal.”

Ms. Li suddenly showed her strong i   3   in Tibet after having worked in a company for less than three months. Since 1998, Li has spent most of her time in a war that is a challenge(挑战) to her life—she has got to almost every c   4  of Tibet within 8 years.

Li’s first trip to Tibet was only out of her loving freedom. She entered Tibet a   5  the Yunnan-Tibetan road. Although she couldn’t speak a word of Tibetan l  6  , this did not really stop her from t____7____ with local people. “To me, they are free, happy and c   8   to nature. It a   9   to me that people should live in this way, singing while working, dancing while living,” Li said.

Li described Tibet in words and photos. “My goal in the n   10   ten years is to make a good documentary.” said Li.

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填空题

增稠剂是可以提高食品的（）或形成（）的物质。
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