Johanna waited at the bus stop for nearly an hour the bus finally arrived. A. when B. unless C. before D. after 题目和参考答案——青夏教育精英家教网—

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Johanna waited at the bus stop for nearly an hour ___ the bus finally arrived.

A. when B. unless C. before D. after

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第二节书面表达（满分35分）

假如你是李华，女，17岁。请根据所给中、英文提示，用英文邮件形式向学生会写一份申请。

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英语成绩优异；英语家教经验两年；	愿意帮助儿童；
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三．阅读理解（共20小题；每小题2分，满分40分）

请阅读下列短文，从每题所给的四个选项（A、B、C和D）中，选出最佳选项，并在答题卡上将该选项的标号涂黑。

When the research on the effect of electric fields on E．coli was begun in 1962, it was essential that a biologist–specifically, a microbiologist–contributed to the project．She does not want her name used because she did not become a scientific researcher for fame, but rather for the challenge of putting pieces of a scientific puzzle together．

As a girl, she was inspired by the work of great scientists: she read the story of the cure of malaria in the Panama Canal; she also read a biography of Madame Curie．These accounts inspired her to pursue a career in scientific research．After high school, she worked for the Michigan Department of Health, where she did research in biology and microbiology．There, her colleagues saw her talent and encouraged her to pursue science as a career．She went on to earn a bachelor’s degree from Michigan State University in 1948 in medical technology．

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While working at Michigan State, she also felt that she was treated with respect by her peers．Her colleagues, among them doctors and Ph．D．chemists, all treated her as an equal．On the whole, she believes that there is not a great deal of difference between men and women in science．

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