题目内容
(请给出正确答案)
[主观题]
The mass production of the automobiles has affected the society history in the 20th c
entury most of all the inventions.(翻译)
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A.vary
B.shift
C.lay
D.moderate
A. John H. Hall.
B. Eli Whitney.
C. Thomas Edison.
D. Henry Ford.
此题为判断题(对,错)。
Henry Ford brought great benefit to car owners because ______.
A.he created wealth for them
B.he made cars with all kinds of colors
C.his mass production was able to bring the price down
D.he produced a gasoline engine as the power for his cars
Determine the mass of PbI2that will dissolve in