大肠腺癌()
A.CEA升高
B.AFP升高
C.碱性磷酸酶升高
D.酸性磷酸酶升高
E.胎儿硫糖蛋白升高
参考答案:A
The factory which I visited yesterday was not the one I once worked. [ ]
A. where
B. which
C. what
D. that
简述传递高程测量的注意事项