近红外区波长准确度是()以内。
A.±1nm
B.±5nm
C.±10nm
D.±0.2μm
参考答案:B
She is ______ going out alone in the evening. [ ]
A. nervous of
B. afraid of
C. angry with
D. can't wait
在乙型脑炎治疗中哪种疗法最重要()
A.支持疗法
B.对症疗法
C.抗病原体疗法
D.康复疗法
E.中医药疗法