下列哪项不是甲状腺危象的治疗
A.运用肾上腺素能阻滞剂
B.口服或静脉点滴碘剂
C.镇静剂
D.再次手术
参考答案:D
The scientists are making further research to develop more advanced rockets________spaceships can
be launched.[ ]
A. which
B. with which
C. /
D. with that
中心轴声音异常的原因?