For the students to determine the force required to remove tape from a wrapping, which of
A. The force between the clamp and the tape
B. The force between the clamp and the paper or plastic wrapping
C. The force between the Earth and the wrapping
D. The force between the Earth and the tape
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以下关于道化学火灾、爆炸危险指数法中物质系数的描述,不正确的是()。
A. 物质系数(MF)是表述物质在燃烧或其他化学反应引起的火灾、爆炸时释放能量大小的内在特性
B. 一般而言,对于可燃液体,闪点越低,MF越大
C. 一般而言,物质热稳定性越好,MF越小
D. MF是物质自身固有的内在特性,与工艺单元操作温度无关
Which brand(s) of tape was/were used at only 2dif-ferent widths in both experiments?
A. Brand X only
Brand Y only
C. Brand Z only
D. Brands Y and Z only
改革开放后最早颁布的成文的中小学教师职业道德规范性文件是()。
A. 1984年颁布的《中小学教师职业道德规范》(试行)
B. 1991年颁布的《中小学教师职业道德规范》
C. 1997年颁布的《中小学教师职业道德规范》
D. 2008年颁布的《中小学教师职业道德规范》
What is NOT indicated in the form?
A. Mr. Evans filled out the form.
B. Mr. Poster paid 350 dollars in cash.
C. Mr. Evans" office is situated on Cedar street.
D. Mr. Poster"s phone number is 365-2897-6578.