当断层面倾向与岩层倾向相反,逆断层造成层位缺失.
参考答案:错
直肠癌最主要的转移途径是()
A.直接蔓延
B.肠腔内种植转移
C.腹腔内播散
D.淋巴转移
E.血行转移
We traveled all night to London and got there _______ Sunday morning. [ ]
A. for
B. on
C. at
D. to