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【单选题】
单位面积的导热热阻单位为 ( )
A.
m2.k
B.
m2.k/w
C.
w/m2
D.
w/m2.k
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参考答案:
举一反三
【多选题】What are the steps of writing an invitation letter?
A.
State the problem and give explanation for what happened.
B.
Make an invitation.
C.
Provide essential information in the letter like the time, place and requirement.
D.
Put forward your expectation that the invitee will come and request a reply.
【判断题】An invitation letter is a kind of social letter,it is divided into formal invitation and informal invitation.
A.
正确
B.
错误
【多选题】下列哪些属于绘图方式
A.
相对直角坐标
B.
相对极坐标
C.
绝对极坐标
D.
绝对直角坐标
【判断题】客户的要求不断变化,物流服务必须适应这种改变,以保证客户满意。( )
A.
正确
B.
错误
【单选题】The content of an invitation letter usually include ___________.
A.
introducing oneself and sending invitation
B.
introducing the conference and relevant details
C.
expressing a strong wish that the invitee can accept the invitation
D.
all the answers are right.
【单选题】A business invitation letter serves the purpose of inviting a () to a party, an event or a celebration while conveying more information than a traditional invitations card.
A.
host
B.
guest
C.
worker
D.
collegue
【判断题】3-12、酸效应曲线的作用就是查找各种金属离子所需的滴定最低酸度。( )
A.
正确
B.
错误
【判断题】客户的要求不断变化,物流服务必须适应这种变化,以保证客户满意。
A.
正确
B.
错误
【单选题】Which of the followings is true according to the principles of the writing of invitation letter?
A.
An informal invitation letter can be written either in the first person or in the third person.
B.
Contents of an invitation letter should always include the purpose of the invitation, the place and the time of the event.
C.
The tone of formal invitation letter tends to be oral, conversational, and friendly.
D.
In invitation letter, it must be avoided to use the abbreviation form such as “I’m”, “I’ve”, “We’re”, “You’re”, etc..
【单选题】The content of an invitation letter usually include ___________.
A.
introducing oneself and sending invitation
B.
introducing the conference and relevant details
C.
expressing a strong wish that the invitee can accept the invitation
D.
all of the above
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