水工建筑物抗震设计中所指的软土层包括下列()。
A.液性指数大于0.75的土
B.无侧限抗压强度qu≤80kPa的土
C.标准贯入锤击数≤5的土
D.灵敏度≥4的土
参考答案:A, D
十七大指出“为当代中国一切发展奠定了根本政治前提和制度基础”的是()和()
An enormous wave covered our boat and Jim fell into the sea. Fortunately, he was _____ by a
boat passing by.[ ]
A. taken up
B. picked up
C. turned up
D. made up