吊索的两端插编尾部之间的距离应不小钢丝绳公称直径的()倍。
A、5~8
B、8~10
C、10~12
D、12~14
参考答案:C
He has two sons. One is a doctor, ____ is a student. He is now studying at ___ university.
A.another; a
B.the other; an
C.the other; a
D.another; an
患者60岁,突发呼吸困难,两肺哮鸣音,查体心脏不大。可选用的较为合理的药物是()
A.呋塞米
B.地西泮
C.吗啡
D.毛花苷C
E.氨茶碱