下列引起慢性腹泻的是
A.食物中毒
B.萎缩性胃炎
C.伤寒
D.食物过敏
E.霍乱
参考答案:B
New York City surpassed the other Atlantic seaports in partly because it developed the best transportation links with the interior of the country.
A.part
B.partial
C.partner
D.parting
拟用挤密桩法消除湿陷性黄土地基的湿陷性,当挤密桩直径d为0.4m,按三角形布桩时,桩孔中心距s采用1.0m,若桩径改为0.45m,要求面积置换率m相同,此时桩孔中心距宜采用()m。
A.1.08
B.1.13
C.1.20
D.1.27