单项选择题

Why was tee plant hemp essential to world-wide trade in the past

A．Ships' ropes were made from it.
B．Hemp was a very profitable export.
C．Hemp was used as fuel for ships.
D．Hemp was used as food for sailors.
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单项选择题
During the two weeks on the beach, Tom showed more love to his wife because ______ .
A．she looked lovely in her new clothes
B．he had made a lot of money in his Wall Street firm
C．he was determined to be a good husband
D．she was seriously iii
单项选择题
In the first paragraph, No ifs, ands or buts probably means ______ .
A．unintentionally
B．inevitably
C．impressively
D．unconditionally
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