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在登录模块中,有如下语句,简述其含义: string strSql = "select * from Member where member_id =’" + this.txtMemberName.Text.Trim （）+"’";
提问人：网友linfangdu
发布时间：2022-01-07
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第2题
We need to find a (n)__________ (knowledge) person to give us some advice on this matter.
第3题
Forces are transmitted into machine members through mating surfaces, e. g., from a gear to a shaft or from one gear through meshing teeth to another gear, from a V-belt to a pulley, or from a cam to a follower. If the forces between gear teeth are too large, the oil film may be squeezed out from between them. This could result in spalling of the metal, noise, and eventual failure. 力偶 作用于同一物体上的大小相等，方向相反但不共线的两个平行力不能被合成为一个合力。作用在同一物体上的任何两个这样的力构成一个力偶。力偶的唯一作用是产生一个朝特定方向的转动或者转动趋势。 在分析由作用力引起的物体内部的应力和应变时，不能采用刚体假设。这时，我们认为物体能够变形。这样的分析通常被称为弹性体分析，这时所用的假设为，物体在作用力的范围内是弹性的。
第4题
Tuangou , also called team buying or group buying, is a recently developed shopping strategy starting in China. Several people connect over the Internet and agree to contact a seller of a specific product so that they can buy the same item as a group at a lower price. And the sellers benefit by selling many products at once.
When people agree on group buying,individual members of the buying group can vouch for (替 ……… 担 保 )a particular seller’s quality to the rest of the group,therefore Tuangou helps of similar phenomena in Euroupe and North America.However,most of the group buying in these places is organized and done not by the team members themselves,but through online go-betweens. go-betweens.
56. Where did Tudngou begin？
A.In America
B.In Europe
C.In North America
D.In China
Buyers purchase goods as a group in order to_________A.save money
B.connect over the Internet
C.buy different items
D.make friends
The sentence “ therefore Tuangou helps change a traditional distust of goods purchased from unknown sellers” implies that_________A.buyers used to doubt the quality of goods from unknown sellers
B.team buying is a good Chinese tradition
C.team buying is not accepted by people
D.buyers never purchase goods from unknown sellers
Sellers in the group buying benefit by_________A.paying less
B.selling many produdcts at once
C.bargaining with each buyer
D.selling goods at a higher price
What does the word "go-betweens" mean in the last paragraph？A.Online shopping
B.Going from one place to another
C.Traveling between two places
D.Persons or companies that pass messages between sellers and buyers
第7题
显微镜中常采用的透射式照明方式有两种,一种是将光源通过聚光镜成像在______上,称为______照明;另一种是将显微镜中常采用的透射式照明方式有两种,一种是将光源通过聚光镜成像在______上,称为______照明;另一种是将光源通过聚光镜成像在______上,称为______照明
