题目内容
（请给出正确答案）
[主观题]
Through this passage, the author wants to ______.A．show us that scientists in the past yea
Through this passage, the author wants to ______.
A．show us that scientists in the past years have made a lot of misjudgments
B．praise those scientists who dared to challenge the impossible
C．emphasize the great potential of the scientific research made by human beings
D．analyze what is possible and what is impossible through scientific efforts
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