搜题请搜索小程序“爱下问搜题”
问题
判断题
轴流式风机流量大,风压低。
答案
参考答案：对
选择题
It was raining heavily outside, the children were made
in the classroom.
A. stay
B. to stay
C. staying
D. stayed
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问答题 简答题
美国各州之间的志愿合作关系有哪些类型？
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