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【多选题】
熔模铸造的工艺过程包括:A.
蜡模制造
B.
翻箱起模
C.
型壳制造
D.
焙烧和浇注
拍照语音搜题，微信中搜索"皮皮学"使用
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皮皮学刷刷变学霸
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【单选题】When working in an environment that uses learning curves, the most effective plan for creating the perception that pay is related to performance is to provide the team members with an individual salar...
A.
Individual productivity
B.
Cost effectiveness
C.
Group or team productivity
D.
Rating system developed by the project manager
E.
All of the above
【单选题】Machover's experiments on digital music are for the following purposes EXCET ______.
A.
creation of new types of musical instruments.
B.
participation of people in making music
C.
improvement of' current computer technology.
D.
convenience in making unique music
【单选题】According to the text, people are curious about sources of creativity because______.
A.
creativity is profitable
B.
creativity is a basic human instinct
C.
creativity is directly related to diversity
D.
creative thought is valued by almost everybody
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A.
资产明细表
B.
系统说明文件
C.
技术手册
D.
设备安装、测试资料及各种记录
【单选题】It is said that Einstein felt very badly about the application of his theories to the creation of weapons of war.
A.
It is said
B.
very
C.
badly
D.
to
【简答题】电路如图所示。已知16V电压源发出8W功率。试求电压U和电流I及未知元件的功率，并判断是吸收还是发出功率。
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