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【单选题】
★180.能充分地利用空间,方便操作的工作台是( )。
A.
简易工作台
B.
单项工作台
C.
工作台
D.
带架工作台
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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
【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
【单选题】Is your washing machine ____________ working?
A.
don’t
B.
doesn’t
C.
won’t
D.
not
【单选题】The old machine won't ______ properly if you don't oil it regularly.
A.
affect
B.
effect
C.
function
D.
practice
【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
【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
【判断题】截面核心的形状和位置与偏心力的大小无关。( )
A.
正确
B.
错误
【单选题】氟离子选择电极是属于()。
A.
参比电极
B.
均相膜电极
C.
金属一金属难熔盐电极
D.
标准电极
【单选题】You()touch the machine,child.
A.
won't
B.
mustn 't
C.
aren't
【判断题】教育APP不可以引入课堂开展教学
A.
正确
B.
错误
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