Which theory indicate that different situations and conditions require different management approaches and that no one approach works best in all situation? ( )
举一反三
- A steady flow is one in which all conditions at any point in a stream remain constant with respect to time, but the conditions may be different at different points.()
- One of the best things about traveling is all the different foods you get to try.
- Amy thinks one of the best things about traveling is to try all the different foods.
- (4)、 [单选题] (2分) A: sound scientific theory should be one that _________.A、works not only under one set of conditions at one time, but also under the same conditions at other times. B: does not allow any changes even under different conditions. C: can be used for many purposes. D: leave no room for improvement.
- There are two different theories in the development and management of tourist attractions: the theory of geographical basis and the theory of experience process, which can not be integrate applied together in practice.（）（true or false）