单选题
Have you ever wondered what our future is like? Practically，all people【B1】_____ a desire to predict their future 【B2】_____ Most people seem inclined to【B3】_____this task using causal reasoning． First，we【B4】_____recognize that future circumstances are【B5】_____ caused or conditioned by present ones．We learn that getting an education will【B6】_____ how much money we earn later and that swimming beyond the reef may bring an unhappy 【B7】_____with a shark． Second，people also learn that such 【B8】_____ of cause and effect are probabilistic(可能的)in nature．That is，the effects occur more often when the causes occur than when the causes are【B9】_____，but not always．Thus，students learn that studying hard 【B10】_____good grades in most instances，but not every time．Science makes these concepts of causality and probability more 【B11】_____ and provides techniques for dealing 【B12】_____ then more accurately than does causal human inquiry．In looking at ordinary human inquiry，we need to 【B13】_____ between predicting and understanding．Often，even if we don't understand why，we are willing to act【B14】_____the basis of a demonstrated predictive ability． Whatever the primitive drives 【B15】_____motivate human beings，satisfying them depends heavily on the ability to【B16】_____future circumstances．The attempt to predict is often played in a 【B17】_____of knowledge and understanding．If you can understand why certain regular patterns 【B18】_____，you can predict better than if you simply observe those patterns．Thus，human inquiry aims【B19】_____answering both“what”and“why” question，and we pursue these【B20】_____by observing and figuring out．