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【单选题】
若三基管基极电流为0.05mA，集电极电流为2.91mA，则发射极电流为（ ）A.
0.05mA
B.
2.91mA
C.
2.86mA
D.
2.96mA
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举一反三
【单选题】Section A: 22. Generally speaking, you should arrive at the airport with plenty of time ______.
A.
sparing
B.
to spare
C.
spare
D.
spared
【单选题】Section B Conversation 2
A.
He's giving a lecture.
B.
He's attending a meeting.
C.
He's speaking on another phone.
D.
He's away on a business trip.
【单选题】"What qualities do you think are important in a good friend?"In which part will the above topic be presented in the section of Speaking?
A.
Part 1
B.
Part 2
C.
Part 3
D.
///
【简答题】Speaking: How to Prepare and Give a Speech (1) Section B: Appreciating a Speech—Input Process Question 2: What’s the woman’s attitude towards stress now?
【简答题】Speaking: How to Prepare and Give a Speech (1) Section B: Appreciating a Speech—Input Process Question 1: How did the woman think of stress before?
【简答题】Speaking :How to Prepare and Give a Speech (2) Section B: Appreciating a Speech—Input Process Question 1: What is a man, married for 25 years, longing to hear from his wife according to the speaker? 提...
【多选题】If you can't remember a word when you are in the Speaking section (choose TWO correct answers)
A.
It's similar in meaning to…
B.
I can't remember the word but it's like….
C.
I've forgotten the word.
D.
I only know Chinese for the word.
【单选题】"How has your home town changed since you were young?"In which part will the above topic be presented in the section of Speaking?
A.
Part 1
B.
Part 2
C.
Part 3
D.
///
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