副脾通常位于（）
A.脾下缘
B.肾附近
C.脾门部
D.脾的后面
参考答案：C
—Excuse me, how can I get to the post office?
—Go the bridge and turn left. Walk the museum, and you’ll see it.
A．along; to
B．across; past
C．past; to
D．cross; past
砂芯有哪些功用？
