【单选题】---Why are you still here? It's so late. ---Because I my work. Don't worry. It's almost done.
【单选题】Don't ______ today's work for tomorrow. Today's work must be done today. [ ]
【单选题】患者,男性,58 岁,急性心肌梗死并发心房颤动。该患者的脉搏可能出现
【单选题】Don't leave your work half _____.
【单选题】患者,男性,58岁,急性心肌梗死并发心房颤动。该患者的脉搏可能出现
【单选题】I wonder why you don’t do it as ______ and it’s the third time you have done so.
【单选题】听力原文:W: I don't think the job has to be done perfectly. M: Maybe, but it's important to do your best. What does the man mean?
A.
Do as well as you can.
B.
It's difficult to do something important.
C.
Nobody can be the best.
D.
Leave the task behind.
【单选题】在RLC串联正弦交流电路中,谐振频率f为750kHz,通频带为10kHz,则该电路的品质因数为( )
【单选题】在RLC串联的正弦交流电路的谐振频率f为( )。