Why does the author cite the examples of the Challenger and Chernobyl? A.To show that technology could be used to destroy our worlD. B.To stress that technology is a human creation, so we are responsible for it. C.To prove that technology usually goes wrong, if not controlled by man. D.To demonstrate that being a human creation, technology is liable to error.
A.To B. B.To C. C.To D. D.To
【参考答案】
B 解析：细节题。第二段的中间举了Challenger space shuttle和nuclear accide......