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更多“蛋白质工程（protein engineering)”相关的问题
A.twice as much protein
B.protein twice as much
C.twice protein as much
D.protein as twice much
A.treatment
B.assistance
C.scholarship
D.protein
A、set
B、relaxed
C、released
D、relieved
When you find the engine is hotter than normal, you should ______.
A．drive to a service station to get a cool engine
B．turn off your heater so as to cool down the engine
C．switch on the heater as soon as possible
D．try to make the engine boil over ______.
______relatively costly, the engine is highly efficient and needs servicing infrequently.
A．Even
B．It is
C．Even though
D．There is
The engine is ______ at 6,000 revolutions per minute.
A．turning in
B．turning off
C．turning over
D．turning to
A.Start ventilation，lower the ramp，notify engine room
B.Lower the ramp，start ventilation，notify engine room
C.Notify engine room，lower the ramp，start ventilation
D.Start ventilation，notify engine room，lower the ramp
What will happen to the engine when oil pressure drops？
A．It will be damaged when the engine stops working.
B．Very soon it will be severely damaged.
C．Serious damage to it is not likely to occur within the first few minutes.
D．Damage may occur to the engine when you drive the car at high speed.
