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【单选题】
在共集电极放大电路中,输出电压与输入电压的关系是()A.
相位相同,幅度增大
B.
相位相反,幅度增大
C.
相位相同,幅度相似
D.
相位相反,幅度相似
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反馈参考答案：
举一反三
【单选题】Long conversations: q uestions 11 to 13 are based on the conversation you have just heard.
A.
. He is going to the library.
B.
. He is going to the dormitory.
C.
. He is going to the local café.
D.
. He is going to the hospital.
【单选题】Listen to the news and answer Q uestions 12-15 . ( ) of the commonly used plastics is biodegradable.
A.
Some
B.
All
C.
None
D.
Most
【单选题】常用的质量风险对策包括风险规避、减轻、转移、自留和组合。例如对一些发生概率很小,并且发生后影响也很小的风险,就可以采用( )策略应对可能的风险。
A.
风险规避
B.
风险减轻
C.
风险转移
D.
风险自留
【单选题】4 Q uestions 3 and 4 are based on the news report you have just heard .
A.
To change the traditional role of girls.
B.
To enforce religious unions.
C.
To improve girls’ educational options.
D.
To improve legal protections for girls.
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