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【单选题】
三极管放大区的放大条件为 ( ) 。A.
发射结正偏，集电结反偏
B.
发射结反偏或零偏，集电结反偏
C.
发射结和集电结正偏
D.
发射结和集电结反偏
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【简答题】推动学生学习的内部动力是（ ）。
【单选题】听力原文：M: Do you know where Lily is? W: She was here. Hm... Try then next room. What do we know from the coversation?
A.
The woman knows where Lily is.
B.
The man wants to find Lily.
C.
Lily is in the next room.
【单选题】一群雏鸡,生长停滞,腿无力,常以飞节着地呈蹲状休息,骨骼变软膨胀,喙与爪变软易弯曲。该鸡群日粮可能缺乏的维生素是(16真题上90)
A.
维生素A
B.
维生素B
C.
维生素C
D.
维生素D
E.
维生素E
【单选题】听力原文：M: Mary, why isn't Jane leaching here this term? W: She can't. She was fired. Q: What reason was given for Jane's not teaching? (7)
A.
She was dismissed from her job.
B.
She's changing jobs.
C.
She is tired of teaching.
D.
She is ill.
【单选题】病人,女,20岁,自述外阴有鸡蛋大小肿物,疼痛,坐位时加重。妇科检查见右侧大阴唇下部有一约5cm×4cm×3cm大小囊性包块,局部皮肤红肿、发热、压痛明显,有波动感。该病人最可能的诊断是
A.
外阴淋巴结肿大
B.
前庭大腺脓肿
C.
前庭大腺囊肿
D.
阴道囊肿
E.
外阴癌
【单选题】一群雏鸡,生长停滞,腿无力,常以飞节着地呈蹲状休息,骨骼变软膨胀,喙与爪变软易弯曲,该鸡群日粮可能缺乏的维生素是(2016 真题上90)
A.
维生素A
B.
维生素B
C.
维生素C
D.
维生素D
E.
维生素E
【简答题】推动学生学习的内部动力是（ ）。
【单选题】—Hello! May I speak to Alice? —Sorry. She isn’t here right now. She ________ to the library.
A.
goes
B.
went
C.
has gone
D.
is going
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