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A) outset
B) outbreak
C) breakthrough
D) breakdown
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更多 “ A) outsetB) outbreakC) breakthroughD) breakdown ” 相关考题
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Things made of glass, plastic and tin are ______ hard ______ break down.
A.very, toB.too, as toC.too, toD.so, to
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The important thing is that this is a major breakthrough. “breakthrough” here means an important development or achievement. ()
此题为判断题(对，错)。
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1940年4月,某地80人出席了在教堂举行的晚餐,第二天有46人出现了恶心、呕吐、腹泻和腹痛,体温正常,被诊断为胃肠炎。这个事件可以称为()
A、epidemicB、sporadicC、rapidfluctuationD、outbreak
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The important thing is that this is a major breakthrough. “breakthrough” here means an important development or achievement.A对B错
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3、A、B、C、D为任意集合，以下正确的是A．(A∪B)´(C∪D) = (A´C)∪(B´D)B．(A-B)´(C-D) = (A´C)-(B´D)C．(A∩B)´(C∩D) = (A´C)∩(B´D)D．(AÅB)´(CÅD) = (A´C) Å (B´D)
考题
A、B、C、D为任意集合，以下正确的是A．(A∪B)´(C∪D) = (A´C)∪(B´D)B．(A-B)´(C-D) = (A´C)-(B´D)C．(A∩B)´(C∩D) = (A´C)∩(B´D)D．(AÅB)´(CÅD) = (A´C) Å (B´D)
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