问题
选择题
I want to ______ the secrets of nature and apply them to the happiness of man. [ ]
A. bring in
B. bring out
C. bring up
D. bring about
答案
答案：B
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I want to ______ the secrets of nature and apply them to the happiness of man. [ ]
A. bring in
B. bring out
C. bring up
D. bring about
答案：B