-Where is your friend?
-I __________ he's at home.[ ]
A. look at
B. know
C. see
D. think
D
喉癌的病理类型以鳞癌居多,据比统计约为()
A.20%~28%
B.40%~48%
C.55%~58%
D.70%~78%
E.90%~98%
路线平面图的任务是表达()的平面状况(直线和曲线)以及沿线两侧一定范围内的地物、地面起伏情况,与路线的相互关系。
A、路中线
B、路线