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【简答题】
医疗用的碘酒中,_______是溶质,____是溶剂。
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皮皮学刷刷变学霸
举一反三
【单选题】According to the passage, which of the following was the most important reason for the Aleuts' devotion to their language?
A.
Invention of a written version of their language.
B.
Disruption of oral transmission of tribal knowledge.
C.
Introduction of Old Slavonic for worship.
D.
Institution of compulsory English education.
【多选题】旅游经营者的安全管理义务有哪些？（）
A.
严格执行有关安全管理的法律、法规
B.
严格执行有关安全管理的国家标准、行业标准
C.
具备安全生产条件
D.
制定旅游者安全保护制度和制定应急预案
【单选题】In a spaceship, astronauts can________
A.
walk just as they do on the earth
B.
not eat anything because it's erous
C.
control the spaceship when they are sleeping
D.
not litter small things or it will make trouble
【简答题】三菱FX系列PLC中输入继电器、输出继电器 、辅助继电器 、状态继电器分别用字母_____、______、_____、____表示;都有____种状态。
【单选题】According to the passage, which of the following was the most important reason for the Aleuts' devotion to their language?
A.
Invention of a written version of their language.
B.
Disruption of oral transmission of tribal knowledge.
C.
Introduction of old Slavonic for worship.
D.
Institution of compulsory English education.
【单选题】.勇于革新是中华民族的传统美德,关于创新正确的观点是()。
A.
创新与能承相对立
B.
在继承与借鉴的基础上的创制
C.
创新不菌要引进外国的技术
D.
创新就是要独立自主、自力更生
【单选题】______can be properly called a clock always strikes the hours and tells the time.
A.
Anything
B.
All
C.
Whichever
D.
Whatever
【单选题】勇于革新是中华民族的传统美德,关于创新正确的观点是()。
A.
创新与继承相对立
B.
在继承与借鉴的基础上的创新
C.
创新不需要引进外国的技术
D.
创新就是要独立自主、自力更生
【简答题】梳理课堂笔记,并完成练习册2、3,把笔记和练习册拍照上传。
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