人体内的多数血管直接受交感缩血管纤维的单一支配。
参考答案：对
The minister said, “We are ready for discussions with any legal parties，but we'll never ________ with
criminals.”[ ]
A. negotiate
B. quarrel
C. argue
D. consult
残爆和爆燃有哪些预防措施？
