皮皮学，免费搜题
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搜题
【判断题】
在钢板、铆钉的连接接头中,有剪切和挤压两种可能的破坏形式。A.
正确
B.
错误
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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】Scientists have many theories about how the universe_____.
A.
came into being
B.
was coming into being
C.
had come into being
D.
would come into being
【单选题】Scientists have many theories about how the universe ____ into being 21
A.
came
B.
was coming
C.
had come
D.
would come 21