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【多选题】
下列有关糖类物质的叙述中正确的是()。
A.
凡符合通式Cm(H2O)n的化合物都属于糖类，不符合Cm(H2O)的化合物都不属于糖类
B.
凡具有甜味的物质都属于糖类，凡不具有甜味的物质都不属于糖类
C.
糖类物质只含有碳、氢、氧三种元素，但含碳、氢、氧三种元素的有机物不一定是糖类
D.
糖类物质有的具有还原性，有的不具有还原性
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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.
查看完整题目与答案
【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
查看完整题目与答案
【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
查看完整题目与答案
【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.
查看完整题目与答案
【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
查看完整题目与答案
【单选题】炭疽芽胞杆菌主要引起哪种动物的疾病
A.
肉食动物
B.
草食动物
C.
啮齿动物
D.
节肢动物
E.
鸟.家畜
查看完整题目与答案
【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
查看完整题目与答案
【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
查看完整题目与答案
【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..
查看完整题目与答案
【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
查看完整题目与答案
相关题目：
【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.
查看完整题目与答案
【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
查看完整题目与答案
【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
查看完整题目与答案
【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.
查看完整题目与答案
【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
查看完整题目与答案
【单选题】炭疽芽胞杆菌主要引起哪种动物的疾病
A.
肉食动物
B.
草食动物
C.
啮齿动物
D.
节肢动物
E.
鸟.家畜
查看完整题目与答案
【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
查看完整题目与答案
【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
查看完整题目与答案
【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..
查看完整题目与答案
【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
查看完整题目与答案