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【单选题】
A big change which took place in Mark Twain’s outlook in his later years of writing was that________.( )A.
he turned to the belief in Catholism
B.
he adopted the doctrines of Oriental philosophy
C.
he became bitterly sceptical and pessimistic about human nature
D.
he became more and more optimistic about the future of the world
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反馈参考答案：
举一反三
【单选题】W: Excuse me, sir. May I have a word with you? M: Sure. What can I do for you? W: It’s about the slippery floor. People will fall and get injured. M: You’re right. I’ll put a warning sign afte...
A.
safety
B.
friendship
C.
weather
【简答题】在交流放大电路中,引入直流负反馈的作用是_______
【简答题】在交流放大电路中,引入直流负反馈的作用是 ____________________ ;引入交流负反馈的作用是 __________ 了放大倍数, ________ 了放大倍数的稳定性, ____________ 了干扰和噪声, ______________ 了非线性失真, _______________ 了输入输出电阻。
【单选题】The dialogue is about ______. W: Excuse me, sir. May I have a word with you? M: Sure. What can I do for you? W: It’s about the slippery floor. People will fall and get injured. M: You’re right. I’ll p...
A.
safety
B.
friendship
C.
weather
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