20. D　行文逻辑和词汇运用题。我的经历“无疑”有助于提高了我控制富有挑战性情形的能力。undoubtedly“无疑地”；instantly“立即，即刻，一……就”；indirectly“间接地”；unusually“不寻常地”。

　　Ⅱ.阅读理解

　　CAPE CANAVERAL, Fla. (Sept. 28)—She says space smells like a “burned almond(杏仁)cookie”. She praises the wonders of Velcro, and describes the dangers of trying to wash her hair in zero gravity.

　　Space tourist Anousheh Ansaris blog(博客)introduces everyday life on the international space station through the eyes of an American businesswoman. Her 10­day adventure ends tonight when she touches down in a Soyuz vehicle in Kazakhstan along with Russian Pavel Vinogradov and US Jeff Williams.

　　“It is hard for me to write tonight.” she wrote Thursday in her last posting from space. “There are millions of thoughts going through my head.”

　　The 40­year­old Iranian­born Ansari paid $ 20 million for her adventure. She was a last­minute substitute(替代)for a Japanese businessman who failed a medical test for space flight.

　　“Well, my friends, I must admit keeping clean in space is not easy！” she wrote in the opening of one entry. Zero gravity has made it impossible to keep objects from flying away. One night, she informed readers that she used her big toe to hold herself in one place.

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