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【单选题】
某平面力系由三个力组成,设这个三个力互不平行则正确的有
A.
若力系点简化,主矩为零,则此三个力必然汇交于一点;
B.
若主矢为零,则此三个力必然汇交于一点;
C.
此绝不能简化为一合力偶;
D.
若三个力不汇交于一点,则此一定不平衡。
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【多选题】室内环境设计包括:
A.
室内热环境
B.
室内声环境
C.
室内光环境
D.
空气质量
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【多选题】柴油发动机启动困难的原因可能有:
A.
空气滤芯堵塞
B.
.燃油系统有空气
C.
启动系统有故障
D.
燃油质量差
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【单选题】I saw myself in what I wrote.
A.
I realized what I was writing mirrored the situation I was in.
B.
I came to regard myself as a character in my writing.
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【单选题】I saw myself in what I wrote.
A.
I realized what I was writing mirrored the situation I was in.
B.
I came to regard myself as a character in my writing.
C.
I saw myself in the mirror.
D.
I prefer writing because it can express myself.
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【判断题】现代室内环境设计包括视觉环境、物理环境、心理环境。()
A.
正确
B.
错误
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【单选题】I don't ruin myself for my friends; I don't __________ your praise. I care greatly for myself. [ ]
A.
charge
B.
admit
C.
bargain
D.
deserve
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【单选题】When I came to myself, I found myself ____and _____ a group of people. [ ]
A.
to be at hospital; surrounded by
B.
at hospital; surrounding
C.
at hospital; surrounded by
D.
at hospital; to be surrounded
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【单选题】汽油发动机启动困难的原因是()
A.
混合气过浓或过稀
B.
点火不正时
C.
低压电路短路
D.
低压电路断路
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【多选题】交通室内环境设计包括()等。
A.
高铁站室内环境设计
B.
候机场室内环境设计
C.
汽车车站室内环境设计
D.
侯船室内环境设计
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【单选题】发动机启动困难的原因()
A.
气门间隙过大
B.
汽缸和缸盖产生裂纹
C.
柴油管路进入空气
D.
柴油油位低
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相关题目:
【多选题】室内环境设计包括:
A.
室内热环境
B.
室内声环境
C.
室内光环境
D.
空气质量
查看完整题目与答案
【多选题】柴油发动机启动困难的原因可能有:
A.
空气滤芯堵塞
B.
.燃油系统有空气
C.
启动系统有故障
D.
燃油质量差
查看完整题目与答案
【单选题】I saw myself in what I wrote.
A.
I realized what I was writing mirrored the situation I was in.
B.
I came to regard myself as a character in my writing.
查看完整题目与答案
【单选题】I saw myself in what I wrote.
A.
I realized what I was writing mirrored the situation I was in.
B.
I came to regard myself as a character in my writing.
C.
I saw myself in the mirror.
D.
I prefer writing because it can express myself.
查看完整题目与答案
【判断题】现代室内环境设计包括视觉环境、物理环境、心理环境。()
A.
正确
B.
错误
查看完整题目与答案
【单选题】I don't ruin myself for my friends; I don't __________ your praise. I care greatly for myself. [ ]
A.
charge
B.
admit
C.
bargain
D.
deserve
查看完整题目与答案
【单选题】When I came to myself, I found myself ____and _____ a group of people. [ ]
A.
to be at hospital; surrounded by
B.
at hospital; surrounding
C.
at hospital; surrounded by
D.
at hospital; to be surrounded
查看完整题目与答案
【单选题】汽油发动机启动困难的原因是()
A.
混合气过浓或过稀
B.
点火不正时
C.
低压电路短路
D.
低压电路断路
查看完整题目与答案
【多选题】交通室内环境设计包括()等。
A.
高铁站室内环境设计
B.
候机场室内环境设计
C.
汽车车站室内环境设计
D.
侯船室内环境设计
查看完整题目与答案
【单选题】发动机启动困难的原因()
A.
气门间隙过大
B.
汽缸和缸盖产生裂纹
C.
柴油管路进入空气
D.
柴油油位低
查看完整题目与答案