更多"For the first time in history, evol"的相关试题:
[单项选择]For the first time in history, evolution has taken a backseat. There is an ongoing realization that human beings are capable of directly shaping their own evolution. As we ease into the twenty- first century, we realize that genetic enginee-ring is undoubtedly going to have a dramatic (67) on our lives. It seems that with genetic engineering, science has moved from (68) the natural world to redesigning it. Now we must ask ourselves (69) this influence will be for better or for worse. However, scientists remain (70) in their opinions. Some have (71) against the hazards of genetic engineering, (72) others have dismissed these perils as inconsequential. Lewis Wolpert, professor of biology at University College London, says, "There are no ethical (73) because you are not doing any (74) to anyone." And the gist of his statement is staunchly supported by James Watson, a Nobel Prize winner. "If we can make better human b
A. exploring
B. deploring
C. probing
D. excursing