单项选择题

What is the main topic of the passage()

A. The need for agricultural advances to help feed a growing population.
B. The development of safer machines demanded by the labor movement.
C. Machinery that contributed to the agricultural revolution.
D. New Jersey as a leader in the agricultural revolution.

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单项选择题

Why did the old man want to sell his shop()

A. Because he didn’t like cutting hair any longer.
B. Because he was too old to cut hair.
C. Because he wouldn’t like Roger to go there.
D. Because a young man wanted to buy his shop.

单项选择题

Mr. Hill ()

A. works in a bank by himself
B. lives in a bank and works by himself
C. lives by himself and works in a bank
D. lives in a bank by himself