Why does the author mention the Massachusetts Bay Colony?
A.It was the headquarters of the United States Lighthouse Board.
B.Many of the tallest lighthouses were built there.
C.The first lantern wicks were developed there.
D.The first lighthouse in North America was built there.
第4题
蜜炙枇杷叶每l00kg用炼蜜量为
A.10kg
B.12.5kg
C.15kg
D.20kg
E.25kg
第5题
蜜炙枇杷叶每l00kg用炼蜜量为
A.10kg
B.12.5kg
C.15kg
D.20kg
E.25kg
第6题
蜜炙枇杷叶每100kg用炼蜜量为
A.10kg
B.12.5kg
C.15kg
D.20kg
E.25kg
第7题
蜜炙枇杷叶每100ks用炼蜜量为
A.10kg
B.12.5kg
C.15kg
D.20kg
E.25kg
第8题
枇杷叶蜜炙时,每l0kg枇杷叶丝用炼蜜
A.0、5kg
B.2kg
C.1kg
D.1、5kg
E.2、5kg
第9题
每100kg枇杷叶蜜炙的用蜜量是
A.2kg
B.5kg
C.10kg
D.20kg
E.25kg
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