皮皮学，免费搜题
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【多选题】
Which of the following developments belong to digital first period?
A.
smart-phones and tablets
B.
social media sites
C.
mobile devices
D.
desktop or laptop platform
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举一反三
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A.
五声律
B.
十二律
C.
十八律
D.
六十律
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【判断题】在对热敏性混合液进行精馏时必须采用加压分离。
A.
正确
B.
错误
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【单选题】在《律吕新书》中，律学大师蔡元定提出了___________。A、五声律 B、十二律 C、十八律 D、六十律
A.
五声律
B.
十二律
C.
十八律
D.
六十律
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【简答题】A．He used to share his house openly with the strangest creatures. B．Guests who came to dinner had to be prepared for a most unusual menu. C．Once he even tried to make soup from elephant's trunk. D．Abo...
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【简答题】听力原文：Hello, I wonder if you can help me. This is Bill Kennedy on 3416577. I am phoning to see if you have any vacancies in your Accounts Department. I spoke to someone at the weekend who thought there...
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【单选题】听力原文：M: I wonder if you can tell me how to find a place where I can have my shoes fixed? W: Well, of course, you can always look in the yellow pages in the back of the telephone book under Shoe Repair...
A.
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B.
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C.
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D.
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【单选题】在转速电流双闭环调速系统中，电机转速可调，转速不高且波动较大。此故障的可能原因是()。
A.
PI调节器限幅值电路故障
B.
电动机励磁电路故障
C.
晶闸管或触发电路故障
D.
反馈电路故障
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【单选题】听力原文：W: Professor Marnes, I wonder if you can fill me in on your lecture last Friday. I had to attend a scholarship award ceremony. M: Oh well, congratulations. I hope you were rewarded handsomely! W:...
A.
She is writing a competitive paper for a scholarship.
B.
She is doing a paper.
C.
She missed the lecture.
D.
She is planning to attend the scholarship award ceremony.
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【简答题】Use ''I wonder if ....'' to paraphrase the following sentence: Can I call you back in a minute? Example: Can you help me? I wonder if you can help me. Task: Can I call you back in a minute? I wonder ...
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【单选题】若计算表明钢轴的刚度不够，下列措施中能达到提高刚度目的是________________。
A.
采用淬火钢
B.
减小应力集中
C.
用合金钢代替碳钢
D.
增加轴的直径尺寸
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相关题目：
【单选题】在《律吕新书》中, 律学大师 蔡元定提出了 ___________ 。
A.
五声律
B.
十二律
C.
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D.
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【判断题】在对热敏性混合液进行精馏时必须采用加压分离。
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【简答题】听力原文：Hello, I wonder if you can help me. This is Bill Kennedy on 3416577. I am phoning to see if you have any vacancies in your Accounts Department. I spoke to someone at the weekend who thought there...
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【单选题】听力原文：M: I wonder if you can tell me how to find a place where I can have my shoes fixed? W: Well, of course, you can always look in the yellow pages in the back of the telephone book under Shoe Repair...
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查看完整题目与答案
【单选题】在转速电流双闭环调速系统中，电机转速可调，转速不高且波动较大。此故障的可能原因是()。
A.
PI调节器限幅值电路故障
B.
电动机励磁电路故障
C.
晶闸管或触发电路故障
D.
反馈电路故障
查看完整题目与答案
【单选题】听力原文：W: Professor Marnes, I wonder if you can fill me in on your lecture last Friday. I had to attend a scholarship award ceremony. M: Oh well, congratulations. I hope you were rewarded handsomely! W:...
A.
She is writing a competitive paper for a scholarship.
B.
She is doing a paper.
C.
She missed the lecture.
D.
She is planning to attend the scholarship award ceremony.
查看完整题目与答案
【简答题】Use ''I wonder if ....'' to paraphrase the following sentence: Can I call you back in a minute? Example: Can you help me? I wonder if you can help me. Task: Can I call you back in a minute? I wonder ...
查看完整题目与答案
【单选题】若计算表明钢轴的刚度不够，下列措施中能达到提高刚度目的是________________。
A.
采用淬火钢
B.
减小应力集中
C.
用合金钢代替碳钢
D.
增加轴的直径尺寸
查看完整题目与答案