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【单选题】
荷兰美术史上的三大画家,是 17 世纪的林布兰特,19世纪的梵高,20世纪的()。A.
安
B.
马蒂斯
C.
康定斯基
D.
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皮皮学刷刷变学霸
举一反三
【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
【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.
【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
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