有一简支梁受力与支承如下图所示,则梁中的最大弯矩为( )。
参考答案:B
— Your daughter has two children, doesn't she?
— That's right. She ____ in 1972. [ ]
A. did marriage
B. was married
C. married with John
D. got married
小儿脓胸以哪一种细菌为主()
A.链球菌
B.沙门菌
C.金黄色葡萄球菌
D.肺炎球菌
E.厌氧菌