2020-12-09到2021-06-25
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01 The introduction Test 01
1、 The occurrence of hydrological phenomena is .
A:completely accidental
B:completely inevitable
C:completely random
D:both inevitable and random
答案: both inevitable and random
2、 Hydrological analysis and calculation is to predict the probability distribution of the hydrological variable .
A:during any period
B:during a for