We should have enough confident when we meet with difficulties at times.
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Everybody have their dreams. I believe when I grow up, I can get more free.
A. 对
B. 错
Humans are manipulating coastlines more dramatically than ever.
A. 对
B. 错
设计一台大田使用的旋耕机一般采用__作为原动机。
A. 电动机
B. 柴油机
C. 水轮机
D. 汽轮机