主动脉缩窄()
A.P2固定分裂
B.股动脉搏动减弱或消失
C.P2亢进
D.脉压增宽,伴有毛细血管搏动和股动脉枪击音
E.P2减弱
参考答案:B
(2014·福建龙岩一中月考)The author of the article believes that it is the test system,________teachers,that is responsible for the heavy burden of the middle school students nowadays.
A.rather than
B.or rather
C.other than
D.more than
当眼睛里溅入腐蚀性药品时,如何进行处理?