摘要通常亦称(),它通常置于署名之后,正文之前。
参考答案:提要
—Hello, this is Amy. Is Tom there?
—___________________
A.Speaking.
B.This is me.
C.This is she.
D.This is you.
超过12层的钢结构房屋,当采用桩基时,承台最小埋深与房屋总高度的比值,不宜小于下列哪一个数值
A.1/12 B.1/15 C.1/18 D.1/25