单项选择题

影响砌体结构房屋空间工作性能的主要因素是( )。

A．砌体所用块材和砂浆的强度等级
B．外纵墙的高厚比和门窗开洞数量
C．屋盖、楼盖的类别及横墙的间距
D．圈梁和构造柱的设置是否符合要求

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依据《著作权法实施条例》第4条，文字作品必须具备艺术美感。

答案：错误

单项选择题

Which of the following may affect the strengths of Nestle?

A．Nestle is selling a branch company for about $3 billion.
B．Nestle is allowed to keep taking water from Southern California forest.
C．Social activists protest about the Nestle’s global strategies.
D．Investors are demanding Nestle to reduce its use of plastic packaging.