It is necessary to monitor ( )
A: the change of tear film
B: the change of accommodation
C: all above
D: none of the above
A: the change of tear film
B: the change of accommodation
C: all above
D: none of the above
举一反三
- How can we disrupt polar interactions?（） A: Add salts B: Change the PH C: Change temperature D: All of the above
- Predictable variability is A: change in demand that can be forecasted. B: change in demand that cannot be forecasted. C: change in demand that has been planned. D: change in demand that has been scheduled. E: all of the above
- Syntactic change in English involves ______. A: rule loss B: gain C: modification D: all of the above
- UML models include:? behavior models|state models|all of the above|state change models
- If a flow is unsteady, its ____ may change with time at a given location.（ ）。 A: Density B: All of the above C: Temperature D: Velocity