游览水城威尼斯,参观罗马古迹,应该去[ ]
A.法国
B.英国
C.德国
D.意大利
答案:D
I often go to school _____ foot, but I had to go to school _____ taxi yesterday because of rain. [ ]
A. by; by
B. on; in
C. on; by
D. with; on
某完整岩体的岩石饱和单轴抗压强度标准值为frk=2600kPa,其地基承载力特征值应为()
A.260kPa
B.520kPa
C.1300kPa
D.2600kPa