常用自救器有()
A、过滤式自救器
B、化学氧自救器
C、压缩氧自救器
参考答案:A, B, C
—How are you getting along with your classmates?
—Very well. They are all _____ me. [ ]
A. afraid of
B. angry with
C. tired of
D. friendly to
疑有绒癌脑转移,下列指标诊断中哪项除外
A.脑部MRI
B.脑缺血的一过性症状:突然跌倒、头痛、抽搐、偏瘫
C.脑脊液:血清HCG>1:20
D.脑CT
E.B超