题目内容
（请给出正确答案）
[主观题]
who invented the cotton gin and developed the system of mass production of weapons wi
th interchangeable parts？
A. John H. Hall.
B. Eli Whitney.
C. Thomas Edison.
D. Henry Ford.
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更多“who invented the cotton gin an…”相关的问题
第1题
according to the author, the articles of confederation failed because of the following reasons. which is not true?
A. The Congress could not raise money to pay the national army and to pay debts owed to France and other nations.
B. The Congress had no power to tax any citizen.
C. The new states did not cooperate with the Congress or with each other.
D. Some new states wanted to be free from the Union
第2题
how many children were there in an irish family on average in the 1950s and 1960s?
A. Around 5.
B. More than 8.
C. One.
D. 2 or 3.
第3题
according to the text，the most important single factor which influences british policy- makers is its history. ()
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