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【多选题】
工程质量事故的特点是A.
复杂性
B.
多发性
C.
严重性
D.
可变性
E.
时效性
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参考答案：
参考解析：
知识点：
皮皮学刷刷变学霸
举一反三
【单选题】John’s success has nothing to do with good luck. It’s years of hard work ______has made him what he is today.
A.
why
B.
when
C.
which
D.
that
【单选题】John's success has nothing to do with good luck. It is years of hard work ________ has made him what he is today. [ ]
A.
why
B.
when
C.
which
D.
that
【简答题】What has made Fern so sad at first?
【简答题】举例说明中式菜肴的特点?
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