皮皮学，免费搜题
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【单选题】
电负性最大的化学元素是 ( )
A.
H
B.
He
C.
O
D.
F
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参考答案：
参考解析：
知识点：
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..
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【单选题】下列离子选择性电极: a.氟电极; b.卤素电极; c.玻璃电极; d.钙电极; e.氨电极 (1)属于晶体膜电极的是 (2)属于硬质电极的是 ; (3)属于流动载体电极的是 ; (4)属于敏化电极的是 ;
A.
1 ab；2c；3d；4e
B.
1 a；2cb；3d；4e
C.
1 a；2b；3e；4d
D.
1 c；2b；3a；4d
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【单选题】氟离子选择电极是属于()。
A.
参比电极
B.
B均相膜电极
C.
金属一金属难熔盐电极
D.
标准电极
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【简答题】Compared with the old types, what advantage does the new machine have in power consumption? It can save ______ of the current of it.
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【单选题】“全纳式教育”的兴起始于
A.
20世纪60年代
B.
20世纪70年代
C.
20世纪80年代
D.
20世纪90年代
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【单选题】Is your washing machine ____________ working?
A.
don’t
B.
doesn’t
C.
won’t
D.
not
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【单选题】The old machine won't ______ properly if you don't oil it regularly.
A.
affect
B.
effect
C.
function
D.
practice
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【单选题】After hours of repair, the driver tried to start the machine but it _________ work.
A.
won’t
B.
shouldn’t
C.
wouldn’t
D.
couldn’t
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【单选题】Major Nelson Company is considering replacing a machine that is presently used in the production of its product. The following data are available: Replacement Old Machine Machine Origi...
A.
a. $22,000 in favor of keeping the old machine
B.
b. $12,000 in favor of keeping the old machine
C.
c. $37,000 in favor of replacing the old machine
D.
d. $22,000 in favor of replacing the old machine
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【单选题】The old man often advised the young workers on _________the machine and they learned quickly. [     ]
A.
to operate
B.
how operate
C.
how operating
D.
how to operate
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【单选题】You()touch the machine，child.
A.
won't
B.
mustn 't
C.
aren't
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相关题目：
【单选题】下列离子选择性电极: a.氟电极; b.卤素电极; c.玻璃电极; d.钙电极; e.氨电极 (1)属于晶体膜电极的是 (2)属于硬质电极的是 ; (3)属于流动载体电极的是 ; (4)属于敏化电极的是 ;
A.
1 ab；2c；3d；4e
B.
1 a；2cb；3d；4e
C.
1 a；2b；3e；4d
D.
1 c；2b；3a；4d
查看完整题目与答案
【单选题】氟离子选择电极是属于()。
A.
参比电极
B.
B均相膜电极
C.
金属一金属难熔盐电极
D.
标准电极
查看完整题目与答案
【简答题】Compared with the old types, what advantage does the new machine have in power consumption? It can save ______ of the current of it.
查看完整题目与答案
【单选题】“全纳式教育”的兴起始于
A.
20世纪60年代
B.
20世纪70年代
C.
20世纪80年代
D.
20世纪90年代
查看完整题目与答案
【单选题】Is your washing machine ____________ working?
A.
don’t
B.
doesn’t
C.
won’t
D.
not
查看完整题目与答案
【单选题】The old machine won't ______ properly if you don't oil it regularly.
A.
affect
B.
effect
C.
function
D.
practice
查看完整题目与答案
【单选题】After hours of repair, the driver tried to start the machine but it _________ work.
A.
won’t
B.
shouldn’t
C.
wouldn’t
D.
couldn’t
查看完整题目与答案
【单选题】Major Nelson Company is considering replacing a machine that is presently used in the production of its product. The following data are available: Replacement Old Machine Machine Origi...
A.
a. $22,000 in favor of keeping the old machine
B.
b. $12,000 in favor of keeping the old machine
C.
c. $37,000 in favor of replacing the old machine
D.
d. $22,000 in favor of replacing the old machine
查看完整题目与答案
【单选题】The old man often advised the young workers on _________the machine and they learned quickly. [     ]
A.
to operate
B.
how operate
C.
how operating
D.
how to operate
查看完整题目与答案
【单选题】You()touch the machine，child.
A.
won't
B.
mustn 't
C.
aren't
查看完整题目与答案