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【简答题】
分析化学是研究各种____及其相关理论的一门科学,并应用其确定物质的化学组成,测定各组成的____,表征物质的化学____、形态、能态并在时空范畴跟踪其变化等信息。根据测定原理的不同,分析方法可分为____和____两大类。
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举一反三
【单选题】When Adam Smith spoke of the principle of the 'invisible hand' , he meant that______.
A.
the government regulates all firms in such a manner that the 'social responsibility' of business is assured
B.
the pursuit of one's own self-interest will lead to the best good for all
C.
cooperation among producers is necessary to minimize losses
D.
governmental intervention in the marketplace may be necessary to have steady growth in national output
【单选题】He was in extreme state of distress and depression when he knew that he had ______ lung cancer.
A.
extracted
B.
contracted
C.
abstracted
D.
attracted
【简答题】He always ______________(忠于) his principle.
【单选题】你听过“零工经济”吗? 通过网站或APP,分享你的知识、技能、经验,帮别人解决问题从而获取报酬。在全职工作之外,利用碎片化时间打“零工”;若是处在求职空档期,也可以尝试时间短、形式灵活的小项目。以下对“零工经济”的认识不正确的是
A.
劳动者通过“零工经济”取得的收入属于按资本要素分配
B.
“零工经济”可以降低就业成本，增强劳动者就业灵活性
C.
“零工经济”可能会给劳动者维护自身权益带来困难
D.
“零工经济”将对我国社会保障体系建设带来挑战
【单选题】The Cooperative Principle was proposed by
A.
Saussure.
B.
Halliday.
C.
Searle.
D.
Ca-ice.
【单选题】Esquith's principle of teaching is different from the general one in that ______.
A.
he dismisses the concept of extra homework for students
B.
he pays less attention to students' academic performances
C.
he insists on giving harder lessons to more advanced students
D.
he places greater emphasis on hard work in students' learning
【单选题】Some of the national heroes would ______ some principle all their lives.
A.
follow
B.
take
C.
carry
D.
serve
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