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工作在放大区的某三极管,如果当IB从12μA增大到22μA时,IC从1mA变为2mA,那么它的β约为( )。

A. 83
B. 91
C. 100
D. 167

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从第二课课文后的作业中找到对应的英文说法(35页)。其他译文无效。办公实践

Match the sentences with their explanations.1. But few people were aware that the girl that was claimed to be “Aryan” was, in fact, Jewish.但不太为人所知的是,这张照片要展示的所谓“雅利安”女童其实是个犹太人。2. Although that revelation is remarkable, more remarkable is the story that goes with it.虽说这一披露非同寻常,但更为惊人的是整个事件的来龙去脉。3. Anti-Semitism spread quickly in Berlin at that time.当时正值柏林反犹太运动高涨之时。4.“If you just give me some money, I’ll get you the magazine.”你给我点钱,我可以去把杂志给你买来。5. It means that one person passed or paid money to another person, so the money changed from one person’s hands to another’s.钱给了。6. Ten other outstanding photographers in Germany were also asked to submit their pictures for the contest. 德国还有10位杰出摄影师也被要求参加。7. I hoped to have a lot of fun making this joke.我就是想开个玩笑找个乐。8. Family stories are very likely a mixture of truth and imagination.家族故事常有夸大其词之虞。9. The parents were horrified, but at the same time marveled at the irony in the incident.孩子的父母既震惊又“觉得这一切极具讽刺意味”。

Match the sentences with their explanations.On his retirement, his colleges ________ him with a set of golf clubs.

A. gave
B. presented
C. awarded
D. provided

BIM的中文翻译为()

A. 建筑信息模型
B. 建筑数据模型
C. 工程信息模型
D. 建筑三维模型

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