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【单选题】
单线循环脱挂抱索器客运架空索道在吊具距地高度大于( )时，应配备缓降器救护工具。A.
8m
B.
15m
C.
10m
D.
18m
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反馈参考答案：
举一反三
【简答题】朗读第十三课课文对话并上传录音。
【简答题】Both communities have a tradition of keeping history ________.
【判断题】Local communities employ both knowledge and resources to prevent desertification.
A.
正确
B.
错误
【单选题】What are the similar key elements of both the human communities and the communities of animal world?
A.
Roles of individual members and rules to make sure the community functions in an orderly way.
B.
Roles of the group leader and protection from the group leader.
C.
Roles of community members and functions of group leader.
【单选题】They have begun dialogues to _____ ( 提升 ) better understanding between both communities.
A.
promote
B.
publish
C.
provoke
D.
provide
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