填料补偿器的优点是无弹性反力,固定支架承受推力极大。()
参考答案:错
心搏骤停后脑复苏的措施包括 ()
A.物理降温
B.冬眠疗法
C.20%甘露醇静滴
D.利尿
E.进行高压氧治疗
It’s very surprising that Lucy _____ German so quickly—she hasn’t lived there very long.
A.picked up
B.looked up
C.put up
D.made up