内容正文:
2019年哈三中第一次模拟考试理科综合测试
物理答案
14. A 15.B 16.D 17.D 18.AD 19.ACD 20.AB 21.AC
22. (1)
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23(1)E ------2’ F -------2’ ③150 ----2’ 相等----2’
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24、(1)
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(2)
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对M: -------------------------------------1’
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由于
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,
25、(1)
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:--------------------------------------2’
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(2)
方法Ⅰ: