题目内容

淘宝搜索排名中的销量权重只计30天内的销量,所以打造爆款可以靠日积月累的方法。

A. 对
B. 错

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虽然淘宝有多种打造爆款的方法,但打造爆款在短期内应专攻一种方法。

A. 对
B. 错

Carol: What’s up, Daniel? You look_______ today.Daniel: I got a “C” in the English exam again. ________________I should do?Carol: Well, English is a “paper tiger”. Its natural enemy is practice.Daniel: I did _________a lot, like doing lots of grammar exercises every day.Carol: Well, I __________that every day you do some reading aloud, and try to speak more. That will help you improve your feel for the language, which is very important for____________________.Daniel: I see. I’ll give it a try.

GTO能通过门级控制关断的原因有哪些?()

A. α2比较大
B. α1+α2接近于1
C. 多元集成结构
D. 三个连接端

GTO属于全控性器件。()

A. 对
B. 错

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