下列叙述中不属于沿河设城的主要目的的是[ ]
A、方便取水
B、提供便利的水运
C、防卫
D、便于排水
答案:D
To our great ________,Geoffrey's illness proved not to be as serious as we had feared.[ ]
A.anxiety
B.relief
C.view
D.judgment
舌下腺和颌下腺导管位于哪个分区()
A.颌下区
B.舌下区
C.颏下区
D.腮腺嚼肌区
E.面侧深区