[单项选择]Now, as our urban areas (sink ever deeper) into drug-produced crime, death (from) the illicit use of unregulated and dangerous drugs (following) death, (that) becomes vital for the parents, teachers, and advisors of our youth to have as wide an understanding of these problems as possible.
A. sink ever deeper
B. from
C. following
D. that

[单项选择]Now, as our urban areas (sink ever deeper) into drug-produced crime, death (from) the illicit use of unregulated and dangerous drugs (following) death, (that) becomes vital for the parents, teachers, and advisors of our youth to have as wide an understanding of these problems as possible.
A. sink ever deeper
B. from
C. following
D. that

[单项选择]Have you ever wondered what our future is like Practically all people (67) a desire to predict their future (68) . People seem inclined to (69) this task using causal reasoning. First, we generally (70) that future circumstances are (71) caused or conditioned by present ones. We learn that getting an education will (72) how much money we earn later and that swimming beyond the reef may bring an unhappy (73) with a shark.
Second, people also learn that such (74) of cause and effect are probabilistic in nature. That is, the effects occur more often when the causes occur than when the causes are (75) , but not always. (76) , students learn that studying hard produces good grades (77) most instances, but not every time. Science makes these concepts of causality and probability more clear and (78) techniques for dealing with them more (79) than does causal human inquiry. In lo