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【单选题】
原点选择位题于工具上的坐标系是( )A.
工件坐标系
B.
用户坐标系
C.
工具坐标系
D.
世界坐标系
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【单选题】2018 年 1 月 25 日,中共中央、国务院联合发文《关于开展扫黑除恶专项斗争的通知》,对开展扫黑除恶斗争的总体目标和主要任务做出明确规定。文件指出,要把扫黑除恶与反腐败斗争和基层 “ 拍蝇 ” 结合起来,深挖黑恶势力 “ 保护伞 ” ,对涉黑涉恶问题尤其是群众反映强烈的大案要案,要有坚决的态度,无论涉及谁,都要一查到底,特别是要查清其背后的 “ 保护伞 ” ,坚决依法查办,毫不含糊。这告诉我...
A.
①②
B.
②③
C.
①④
D.
②④
【多选题】1954年9月《中华人民共和国宪法》的制定及颁布,明确规定了( )?
A.
我国人民民主专政的国体
B.
我国人民代表大会制度的政体
C.
我国人民代表大会制度的国体
D.
我国人民民主专政的政体
【单选题】听力原文：W: Shall we go to Washington for the coming holiday? Oh, but the weather is terribly bad. M: There are many museums, art galleries and restaurants in Washington. Fm very happy to go there, no mat...
A.
He dislikes museums and galleries.
B.
He does not care about the weather.
C.
Going to the beach is the best choice.
D.
He doesn't want to go to Washington.
【单选题】听力原文：M. What's the weather like today? W: It's a beautiful spring day. M: Shall we take a walk around the lake? W: Why not? Let' s go now. What season is it now?
A.
Autumn.
B.
Winter.
C.
Spring.
【单选题】听力原文：W: If the weather is this hot tomorrow we may as well give up the idea of playing tennis in the afternoon. M: Oh, I don't think it will last long. The weather forecast says it will cloud over by ...
A.
They shouldn't change their plan.
B.
They'd better change their mind.
C.
The tennis game won't last long.
D.
Weather forecasts are not reliable.
【单选题】听力原文：W: Shall we go to Washington for the coming holiday? Oh, but the weather is terribly bad. M: There are many museums, art galleries and restaurants in Washington. I'm very happy to go there, no ma...
A.
He dislikes museums and galleries.
B.
He does not care about the weather.
C.
Going to the beach is the best choice.
D.
He doesn't want to go to Washington.
【单选题】制定 1954 年《中华人民共和国宪法》的会议是( )
A.
中共七届二中全会
B.
中国人民政治协商会议
C.
中央人民政府委员会第一次全体会议
D.
第一届全国人民代表大会
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