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【判断题】
为获得大颗粒的沉淀 , 沉淀条件中最关键的一点是溶液的浓度要稀 , 加入沉淀剂时要慢加快搅 , 防止局部过浓。( )A.
正确
B.
错误
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举一反三
【单选题】The feeling of competition among the students in all the classrooms where the test was going on was noticeable to everyone.
A.
discord
B.
discovery
C.
rivalry
D.
cooperation
【单选题】“创业计划书要有一个明确的目标,能够呈现出项目的具体优势。”这属于创业计划书撰写原则中的( )
A.
目标明确，优势突出
B.
内容真实，体现诚意
C.
结构严谨，风格统一
D.
有理有据，循序渐进
【单选题】All of the following are mentioned in paragraph 4 about the intern program EXCEPT______.
A.
the program helps the company identify skilled international workers
B.
some people might go to work for other firms if the program did not exist
C.
the company believes the program contributes to its international success
D.
coca-Cola hopes the program will increase its profits in the United States
【简答题】Among all the animals, dogs are the most ______ companions for human beings. (faith)
【简答题】Geben Sie die Vokale in den folgenden Wörtern mit IPA-Zeichen an. Herr Schokolade vielleicht Motor Medizin Beipiel: Mutter [ʊ][ɐ]
【简答题】For all being unrecognized among users, Aspirin ______.
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