下列（）可允许按本地区抗震设防烈度降低一度的要求采取抗震构造

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问题单项选择题

下列（）可允许按本地区抗震设防烈度降低一度的要求采取抗震构造措施。

A.Ⅰ类建筑场地、甲类建筑、7度烈度

B.Ⅰ类建筑场地、乙类建筑、7度烈度

C.Ⅰ类建筑场地、丙类建筑、7度烈度

D.Ⅰ类建筑场地、丙类建筑、6度烈度

答案

参考答案：C

解析：

据《建筑抗震设计规范》(GB 50011—2001)第3.3.2条。

填空题

介词填空。

1. They are used _____ seeing in the dark.

2. They were invented _____ 1863.

3. George wanted _____ make the customer happy.

4. Potato chips were invented _____ a chef called George Crum.

5. He was boiling drinking water _____ an open fire.

6. Some leaves _____ a nearby bush fell _____ the water and remained there for some time.

7. This beverage was discovered _____ three thousand years before that.

多项选择题

登高焊割作业应避开（）不可避开时，上述线路必须停电。

A.接零线

B.高压线

C.裸导线

D.低压线