何谓PCB?利用Proteus ARES模块进行PCB设计需要经过哪几个主要步骤？
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What does Mr. and Mrs. Cohen mean?
A. They mean that Bradley can finish his speech successfully.
B. They mean that Bradley can't finish his speech but he would be fine.
What helps Bradley to stand up here in his opinion?
A. The discouragement and blows he has received from others.
B. The encouragement and kindness he has received from others.
What does Bradley think of his disability?
A. He is thankful for its companion.
B. He resents it.
According to Gaylon, What could Bradley learn from his disability?
A. He could learn to hold on.
B. He could learn to run faster.
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