[判断题] 低电压继电器的动作电压与返回电压之比称为低电压继电器-我要搜题网

[单项选择]( )通常称为包清工合同，即在工程施工过程中，劳务提供方保证提供完成下程项目所需的全部施工人员和管理人员，不承担劳务项目以外的其他任何风险。
A. 总承包合同
B. 工程分包合同
C. 转包合同
D. 劳务分包合同

[不定项选择题]贯通道系统在电客车中的作用包括：( )
A.连接两节，作为通道。
B.对车内起密封作用。
C.车辆在弯道上拉伸压缩。
D.隔雨隔热。

[单选题]曹植写《洛神赋》的意旨是（　　）。
A.抒写作者个人政治的失意和理想的破灭
B.描绘洛神的追求与幻灭的过程
C.再现襄王梦中艳遇的经历
D.讽喻君王不可贪恋美色

[不定项选择题]资料：What attracts customers? Obviously the quality of a product does, but visual images contribute a great deal. It is not only the image provided by the packaging that counts but the whole corporate identity of the company. There are now many products and services on the market which are similar in content though produced by different companies. It is vital, therefore, for a company to distinguish itself from its competitors by having a strong company image which is immediately recognizable. Logos are part of this image. They are symbols which often include a name or initials to identify a company. The logo establishes a visual identity for the company, just as different groups of young people express their identity through hairstyles and clothes. All groups from all cultures and throughout the ages have used colors and symbols to show their identity. In different cultures, different colors carry different meanings. Some colors may be connected with coldness in one culture and with warmth in another; some colors represent life in one culture but death in another. International companies have, therefore, to make sure that their logos will not be misunderstood or misinterpreted in different countries. Many companies have, over the years, renewed their logos to fit in with contemporary design and to present more powerful images. Company logos can be emotive and can inspire loyalty by influencing the subconscious. Some logos incorporate an idea of the product; and a case in point is the steering wheel in the Mercedes logo, for example, and the airplane tail of Alitalia. Logos are used on letterheads, packaging and brochures as well as on the product itself. They may also appear in newspapers or on television as part of an advertising campaign. Companies need to have a strong corporate identity. The logo helps to promote this image and to fix in the minds of the consumers. Logos, therefore, need to be original and to have impact and style. The steering wheel in the Mercedes logo and the airplane tail of Alitalia are____.
A.the examples of logos which are emotive and can inspire loyalty
B.the examples of giving people idea of the products by using the images
C.the examples of logos which fit in with contemporary design
D.None of above

[判断题] 低电压继电器的动作电压与返回电压之比称为低电压继电器的返回系数。( )A.正确B.错误

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[判断题] 低电压继电器的动作电压与返回电压之比称为低电压继电器的返回系数。( )
A.正确
B.错误