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【单选题】
信息化战争的主导兵器是()。A.
信息技术主导的武器装备
B.
火枪火炮
C.
金属武器装备
D.
机械化武器装备
拍照语音搜题，微信中搜索"皮皮学"使用
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皮皮学刷刷变学霸
举一反三
【单选题】SECTION A CONVERSATIONS Directions: In this section you will hear several conversations. Listen to the conversations carefully and then answer the questions that follow. 听力原文：Interviewer: And Christin...
A.
She has been studying a lot.
B.
She has been working as a waitress.
C.
She has been staying at home.
D.
She has been doing the kitchen work in a hotel.
【简答题】下列关于风险溢价的表达正确的是()。A. 投资者对单个股票的预期报酬率应当等于市场对无风险投资所要求的收益率加上风险溢价乘以 之后的积 。 B. 其表达式为： C. 其表达式为： D. 其表达式为：R M -Rf
【单选题】You never told LIS why you were absent from the party，________?
A.
weren’t you
B.
didn’t you
C.
did you
D.
were you
【单选题】关于 jieba 库的精确模式分词,以下选项中描述正确的是
A.
将句子最精确地切开，适合文本分析
B.
把句子中所有可以成词的词语都扫描出来，速度非常快
C.
适合用于搜索引擎分词
D.
在精确模式基础上，对长词再次切分，提高召回率
【简答题】You have nothing to __________ by refusing to listen to our advice. A) gain B) grasp C) seize D) earn
【简答题】我国消防工作的方针是什么?
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