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【判断题】
Irrelevant sentences to the main idea in the paragraph may break the rule ofcoherence.A.
正确
B.
错误
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反馈参考答案：
举一反三
【简答题】Nobody believed his reason for being absent from class__________he had to meet his uncle at the airport. A．why B．that C．where D．because
【单选题】Nobody believed his reason for his being absent from class ___ he had to meet his uncle at the airport. [ ]
A.
why
B.
that
C.
where
D.
because
【单选题】下列说法正确的是( )
A.
空气洁净度等级 100 级的空气比 100000 级的洁净
B.
紫外线的穿透能力很强，所以要注意防护
C.
化学消毒剂的灭菌效果与微生物的种类、数量无关
D.
防腐是通过杀死微生物来延长食物保存期
E.
紫外线的灭菌原理是可破坏微生物的蛋白质
【单选题】Nobody believed his reason for being absent from the class ______ he had to meet his uncle at th
A.
31. Nobody believed his reason for being absent from the class ______ he had to meet his uncle at the airport. A．why
B.
that
C.
where
D.
Because
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