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【简答题】
影响鉴别反应的因素主要有哪些?为什么要规定鉴别的试验条件?
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皮皮学刷刷变学霸
举一反三
【单选题】I first joined Twitter two years ago as a means of keeping in touch with my son.(Text B, Unit 1) Which of the following words can replace the word “means” in the previous sentence?
A.
meaning
B.
plan
C.
income
D.
way
【简答题】Replace the highlighted word with a word of opposite meaning from the box.
【简答题】Choose the word or expression from the box to replace the underlined part in each sentence. (从方框内选择与划线部分意思最接近的单词或短语，用A，B，C…或G等表示。) A．brave and not weak B．a company C．liked by many people D．shoes...
【简答题】Why did Churchill replace the word darker with sterner ? (Paragraphs 7 – 8)
【简答题】When did economists begin to yze consumer behavior? Why? 2.Explain the concept of Utility. Can you find a word used in everyday life to replace the word "utility"?
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