1．下列词语中加点的字，每对读音都不相同的一组是(3分)

　 A．拓片／落拓不羁　 　　抹布／浓妆艳抹　　　 厌恶／好逸恶劳

　 B．纤维／纤尘不染　　　 角色／钩心斗角　　　 星宿／风餐露宿

　 C．削面／削足适履　 　　给以／自给自足　　　 单于／单枪匹马

　 D．塞责／塞翁失马　 　　行头／祸不单行 　　　弹劾／弹尽粮绝

假如你是一名大学生，名叫李华。你所在的班级最近就“大学生是否应经济独立”的话题展开讨论，同学们发表了不同的看法。请你根据以下所给内容，写一封信给某英语报社，反映讨论情况。

注意：1．文章的起始句已经给出；　　　　 2．词数150左右(不包括起始句)；

参考词汇： 报答: repay　　　 学费: tuition　　 经济独立: financially independent

Dear Editor,

I’m writing to tell you about a recent discussion our class have had on whether or not university students should be financially independent.

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90. ______ (相反) to my expectation, present at the party were a group of young people who called themselves

pioneers of modern art.

89. The sad thing is that although Van Gogh ______ (奉献) his whole self to painting, he only sold one painting

before he died.

88. Our guests today are _______ (代表) from six of the major international film festivals.

87. One reason for this is that most ______ (传统) film festivals show films from a variety of countries.

86. The Louvre Museum has more than 6,000 other European paintings, ______ (从……到……) from the 13^th century to the 19^th century.

85. There is a t______ in the plot when a very generous stranger gives Pip a lot of money.

84. He made a lot of scientific discoveries that he shared with the world, p ______ in the field of astronomy.

83. Please tell me how to d______ a poisonous snake from a harmless snake.