【单选题】指出下列错误的指令( )
B.
syms(‘a','b','positive');
【简答题】过氢化氢酶的K m =2.5×10 -2 mol·L -1 ,求过氧化氢浓度为100mmol·L -1 时,过氧化氢酶被底物饱和的百分数。
【单选题】What is the fee for one year?
【单选题】指出下列错误的指令
D.
syms(‘a','b','positive');
【单选题】What is claimed about Flora Painting Supplies and Services?
A.
It charges a fee for its consultation service.
B.
Its painting service is reasonably priced.
C.
It is new to Riverstone City.
D.
It opens every day of the week.
【简答题】What do you have to pay for parking at many of the apartment locations? A ______ fee.
【单选题】What is the usual shipping and handling fee charged by Super Seafood Suppliers?