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【简答题】
已知A、B、C、D、E、F 六种物质的转化关系如下: ① A + B → C + H 2 O ② C + KOH → D↓(蓝色)+ E ③ B + D → C + H 2 O ④ E + BaCl 2 → KCl + F↓(白色,不溶于稀硝酸) ⑤ G + B → CO 2 ↑ + F↓ + H 2 O , 反应中B与CO 2 的物质的量之比为1︰2,根据上述变化关系填空: (1)请写出下列物质的化学式:B _______;C _______;G _________。 (2)检验E中阴离子的实验方法是____________________。 (3)往G的溶液中滴加过量的KOH,反应的离子方程式为__________________________。
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A.
Bemuse she went shopping.
B.
Because she went on a date.
C.
Because she went to see the doctor.
D.
Because she had a business appointment.
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A.
由甲公司享有
B.
由乙研究所享有
C.
由王某享有
D.
由甲公司与乙研究所共同享有
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工作电流
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短路电流
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启动电流
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断路电流
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would have been written
B.
would be written
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would have written
D.
would have being written
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A.
有权要求甲研究所给予奖励
B.
有权在专利产品上标明自己的名字
C.
在专利实施后可以从甲研究所获得合理报酬
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有权无偿实施专利
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【多选题】甲研究所获得专利权后,王某作为设计人( )。
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有权要求甲研究所给予奖励
B.
有权在专利产品上标明自己的名字
C.
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有权无偿实施专利
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【单选题】In a writing class, the teacher asks students to select useful ideas from their own list of the ideas and try o put the ideas together in a coherent and logical way. Which writing activity are the stu...
A.
Brainstorming
B.
Mapping
C.
Editing.
D.
Drafting.
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