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【单选题】
以下电路中,可用作电压跟随器的是 。A.
差动放大电路
B.
共基极电路
C.
共发射极电路
D.
共集电极电路
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反馈参考答案：
举一反三
【简答题】A.related B.combined C.joined D.unified
【单选题】If an essay is coherent we say this essay___________.
A.
flows
B.
follows
C.
is unified
D.
is cohesive
【判断题】A paragraph is like a mini-essay; it should be unified , coherent and well developed .
A.
正确
B.
错误
【判断题】If all the details in your essay relate to your thesis and supporting topic sentences, your essay is unified.
A.
正确
B.
错误
【判断题】Your essay is unified if you advance a single point and stick to that point.
A.
正确
B.
错误
【简答题】Who Should Stay? 谁该留下？ Write an essay of 160-200 words based on the drawing. In your essay, you should 1)describe the drawing briefly, 2)explain its intended meaning, and 3)give your comments.
【单选题】以下哪一项不是肺炎克雷伯杆菌性肺炎的临床特点
A.
白细胞正常或增加
B.
咳嗽，咳红棕色胶冻状痰
C.
青壮年多见，预后良好
D.
起病急、胸痛、畏寒
E.
对庆大霉素及第三代头孢菌素敏感
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