【单选题】The evil manners would be ______ root and branch due to the forceful action taken by the local government.
【单选题】A vessel may be unable to take proper and effective action due to the speed()too high or,in some circumstances,too low.
【单选题】About the forming mechanism of action potential, ascending branch is due to ( )
【单选题】The one-way nature of action potential propagation down an axon is primarily due to
B.
potassium ion depletion