皮皮学，免费搜题
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【简答题】
情景交际。 A. Have you ever travelled to China? B. Have you read any books in Chinese? C. Do you like Chinese? D. How long have you lived there? E. How many Chinese classes do you have every week? F. How long have you studied Chinese? G..What class have you just had? A: Hello! __ 1__ B: Hello! I've just had Chinese. A: Chinese? __ 2__ B: Yes, I like it very much, but it's difficult. A: __ 3__ B: For about three years. A: Oh, I see. __4__ B: Oh, I have five Chinese classes a week. Do you like it? A: No, I don't. It's too difficult. _ 5__ B: No, not yet. But I have planned to. China is a great country. A: Yeah, I think so.
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参考解析：
知识点：
皮皮学刷刷变学霸
举一反三
【判断题】由于 与 - 或 表达式易于转换为其它类型的函数式,所以 逻辑函数化简就是要消去 与 - 或 表达式中多余的乘积项和每个乘积项中多余的变量,以得到逻辑函数的最简 与 - 或 表达式。对吗?
A.
正确
B.
错误
【单选题】关于FR-III矫正器,叙述正确的是
A.
工作模修整时，前庭沟加深的部位在上颌
B.
铺缓冲蜡时，至下唇挡外约5mm
C.
工作模修整时，前庭沟加深的部位在下颌
D.
唇挡截面呈泪滴状，下缘厚上缘薄
E.
在上前牙近牙龈1／3处刻出1mm的深线，以利唇弓贴合
【单选题】怠速装置主要由（）等组成。
A.
怠速喷孔、怠速量孔、怠速油道、怠速空气道、怠速空气调整螺钉
B.
怠速喷孔、主量孔、主喷孔、怠速空气调整螺钉
C.
怠速喷孔、怠速加浓喷孔、怠速油道、怠速空气调整螺钉
D.
怠速喷孔、怠速油道、主量孔、怠速空气调整螺钉
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