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【单选题】
在生成酸酐的反应中,通常加入乙酸酐,乙酸酐的作用是( )。
A.
脱水剂
B.
溶剂
C.
催化剂
D.
助溶剂
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参考答案：
举一反三
【多选题】Which ones of the following statements are correct?
A.
The interpretive approach argues that we should not try to describe and interpret people’s feelings and experiences in human terms because quantification and measurement are more reliable.
B.
Qualitative research often starts with conceptualizing and planning of the study.
C.
In quantitative research, ysis focused on identifying themes and categories, similarities in data.
D.
In quantitative research, participants are intentionally selected to get the richest possible understanding of the setting under investigation.
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【判断题】( )2014年12月17日,国家旅游局通报亚航航班两名中国游客不文明行为的处理意见。将两名涉事游客不文明行为纳入《游客不文明行为处罚条例》。。
A.
正确
B.
错误
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【单选题】—Must I pay for the bill now, boss? —No, you __________ pay for it after the meal.
A.
needn’t
B.
can’t
C.
may
D.
should
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【多选题】Which ones of the following are included in the support activities of the business value chain model?
A.
Outbound logistics
B.
Human resources
C.
Organization infrastructure
D.
Procurement
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【多选题】In which ones of the following databases,you can find specific types of journal publications (e.g. article, review,editorial material,meta-yses,letter......) by refining. 【multiple choice】
A.
Web of Science Core Collection
B.
PubMed
C.
SpringerLink
D.
ClinicalKey
E.
OvidSP
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【多选题】which ones of the following features do Chinese ancient philosophy share in common?
A.
Stress on practice
B.
Stress on harmony
C.
stress on logics
D.
stress on system
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【多选题】which ones of the following can be used in the formal letter?
A.
Yours,
B.
Cordially yours,
C.
Respectfully yours,
D.
With Love
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【多选题】In which ones of the following database,you can not refine the results by institutions,organizarions the authors be affiliated with.
A.
PubMed
B.
Web of Science Core Collection
C.
ClinicalKey
D.
SpringerLink
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【多选题】In which ones of the following databases,you can not refine the results by institutions,organizarions the authors be affiliated with. 【multiple choice】
A.
PubMed
B.
Web of Science Core Collection
C.
ClinicalKey
D.
SpringerLink
查看完整题目与答案
【多选题】Which ones of the following words should be stressed in a sentences?
A.
noun
B.
preposition
C.
conjunction
D.
verb
查看完整题目与答案
相关题目：
【多选题】Which ones of the following statements are correct?
A.
The interpretive approach argues that we should not try to describe and interpret people’s feelings and experiences in human terms because quantification and measurement are more reliable.
B.
Qualitative research often starts with conceptualizing and planning of the study.
C.
In quantitative research, ysis focused on identifying themes and categories, similarities in data.
D.
In quantitative research, participants are intentionally selected to get the richest possible understanding of the setting under investigation.
查看完整题目与答案
【判断题】( )2014年12月17日,国家旅游局通报亚航航班两名中国游客不文明行为的处理意见。将两名涉事游客不文明行为纳入《游客不文明行为处罚条例》。。
A.
正确
B.
错误
查看完整题目与答案
【单选题】—Must I pay for the bill now, boss? —No, you __________ pay for it after the meal.
A.
needn’t
B.
can’t
C.
may
D.
should
查看完整题目与答案
【多选题】Which ones of the following are included in the support activities of the business value chain model?
A.
Outbound logistics
B.
Human resources
C.
Organization infrastructure
D.
Procurement
查看完整题目与答案
【多选题】In which ones of the following databases,you can find specific types of journal publications (e.g. article, review,editorial material,meta-yses,letter......) by refining. 【multiple choice】
A.
Web of Science Core Collection
B.
PubMed
C.
SpringerLink
D.
ClinicalKey
E.
OvidSP
查看完整题目与答案
【多选题】which ones of the following features do Chinese ancient philosophy share in common?
A.
Stress on practice
B.
Stress on harmony
C.
stress on logics
D.
stress on system
查看完整题目与答案
【多选题】which ones of the following can be used in the formal letter?
A.
Yours,
B.
Cordially yours,
C.
Respectfully yours,
D.
With Love
查看完整题目与答案
【多选题】In which ones of the following database,you can not refine the results by institutions,organizarions the authors be affiliated with.
A.
PubMed
B.
Web of Science Core Collection
C.
ClinicalKey
D.
SpringerLink
查看完整题目与答案
【多选题】In which ones of the following databases,you can not refine the results by institutions,organizarions the authors be affiliated with. 【multiple choice】
A.
PubMed
B.
Web of Science Core Collection
C.
ClinicalKey
D.
SpringerLink
查看完整题目与答案
【多选题】Which ones of the following words should be stressed in a sentences?
A.
noun
B.
preposition
C.
conjunction
D.
verb
查看完整题目与答案
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