题目内容

藏民不同的习俗是因为受到环境的制约,并非是民族间的差异。

A. 正确
B. 错误

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Internet Protocol videoconferencing (IP/VC) provides which two business benefits? ()

A. Real-time discussions of patient information among remote medical teams
B. Reduced travel time for instructors responsible for different geographic sites
C. Improved morale and reduced turnover among employees who receive timely business Updates
D. Increased sales and customer satisfaction due to current product information disseminated simultaneously to a global sales force by headquarter

怎样创造良好的交谈气氛?

顶线油的用量为管线中的存油()。

A. 1倍
B. 2倍
C. 3倍
D. 4倍

永久磁铁的磁滞回线应该为()

A. 矫顽磁力大,剩磁大
B. 矫顽磁力小,剩磁大
C. 矫顽磁力大,剩磁小
D. 矫顽磁力小,剩磁小

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