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【单选题】
听力原文:W: We're having a meeting tomorrow. Can you make it? M: What time is it? W: At 10:00 in the morning. Is that ok? M: Yes, that would be fine. W: We're going to go over our last month's [8] sales figures. M: Good, I have some suggestions to make. W: You always have some good ideas, What are they? M: [9] Ways to improve our [8] sales. W: Great! M: By the way, [10] is Allan attending the meeting? W: Yes, [10] he is going to give a report on our [8] sales in San Francisco. M: I see. 8.What is the main subject of the meeting? 9.What is the man going to suggest? 10.Who is going to give a report on sales in San Francisco? (8)
A.
The production plan.
B.
Next year's budget.
C.
The sales of the company.
D.
The opening of a new branc
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【判断题】两梁的跨度、承受载荷及支承相同,但材料和横截面面积不同,因而两梁的剪力图和弯矩图不一定相同。(    )
A.
正确
B.
错误
【简答题】A nswer the following questions. 1. Please list some tips for safety when travelling abroad. 2. What should you do if you lose your passport while travelling abroad?
【判断题】PN结的正向电阻大,反向电阻小。
A.
正确
B.
错误
【多选题】缎纹组织的组织特征()
A.
表示方法与其它组织不同
B.
异面组织
C.
经纱和纬纱交织次数少,线屈曲小,织物不紧密,牢度较斜纹更差
D.
织物表面浮长线长,相邻两根纱线上单独组织点相距较远,当纱线密度较大时就被另一系统的浮长线所遮盖,使织物表面光滑、明亮柔软有弹性
【单选题】斜纹织物的特点是( )
A.
是异面组织
B.
表面有斜向
C.
较平纹柔软
D.
其余都对
【单选题】系统已定,而且输入已知,求系统输出(响应),这个过程称为( )。
A.
系统最优控制
B.
系统分析
C.
系统辨识
D.
以上选项都不对
【判断题】两梁的跨度、承受载荷及支承相同,但材料和横截面面积不同,两梁的剪力图和弯矩图不一定相同。
A.
正确
B.
错误
【简答题】II . A nswer the following questions. 1. Please list some tips for safety when travelling abroad. 2. What should you do if you lose your passport while travelling abroad?
【判断题】PN结外加反向电压增大时,阻挡层变厚,PN结正弦电阻变小。
A.
正确
B.
错误
【简答题】已知某LTI系统由两个子系统级联组成,这两个子系统的差分方程分别为 求描述整个系统的差分方程。
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