—When were you born?
—I was born __ January ,1987.[ ]
A. in
B. on
C. at
D. of
答案:A
常用的人工地基处理方法有()。
A.打桩法
B.换土垫层法
C.堆载预压法
D.化学加固法
E.砂桩挤密法
下列哪组疾病属于严格管理的传染病? ()
A.鼠疫,霍乱,艾滋病
B.病毒性肝炎,梅毒,肺结核
C.脊髓灰质炎,流行性出血热,黑热病
D.白喉,猩红热,麻风
E.流行性乙型脑炎,血吸虫病,炭疽