在数字电子电路中，晶体管通常被用作()器件，工作在输出特性曲线的饱和区和截止区。
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晶体三极管截止时，他的两个PN结都是正向偏置。
A. 对
B. 错
三极管工作在放大区时，各级电流的分配关系满足IE=IC+IB,IC≈β×IB
A. 对
B. 错
“I mow your lawn,” he said.The sentence is repeated many times. That’s because it shows Tony’s determination in finding a job, although he knew nobody would like to help him.
A. 对
B. 错
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