问题
选择题
32. Difficulties and hardships have ______ the best character of the young geologist.
A．brought in
B．brought up
C．brought out
D．brought about
答案
C
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32. Difficulties and hardships have ______ the best character of the young geologist.
A．brought in
B．brought up
C．brought out
D．brought about
C
，正电荷
，正电荷
，负电荷
，负电荷