The occurrence of hydrological phenomena is（）
A. completely accidental
B. completely inevitable
C. completely random
D. both inevitable and random
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Hydrological analysis and calculation is to predict the probability distribution of the hydrological variable（）
A. during any period
B. during a foreseeable period
C. for a very long time in the future
D. at a certain moment
Much like other essays in this series, the SPSE essay is organized into three distinct parts. Please select from the following choices the one whose explanation fails to depict its essential features
A. The introduction: Arouse readers’ interests
B. The body: Provide details and solutions. It also may evaluate these solutions
C. The conclusion: Wrap up the essay by linking back to the introduction and explaining any leftover points
D. —
Generally speaking, there are three types of cause and effect essays: many causes and one single effect, one cause and many effects, and a chain of cause and effects. Please select from the following
A. IntroductionBodyCause #1Effect #1 = Cause #2Effect #2 = Cause #3Effect #3 = Cause #4 （and so on…）Conclusion
B. IntroductionBodyCause #1Cause #2Cause #3 （and so on…）The effect of the causesConclusion
C. IntroductionBodyThe CauseEffect #1Effect #2Effect #3 （and so on…）Conclusion
D. —
The total evaporation of the watershed includes（）
A. water surface evaporation, land surface evaporation and plant evapotranspiration
B. water surface evaporation, soil evaporation and land surface evapotranspiration
C. land surface evaporation, plant evapotranspiration and soil evaporation
D. water surface evaporation, plant evapotranspiration and soil evaporation
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