单项选择题

为使床垫各处的磨损和受力均匀，一般应每周定期翻转床垫一次。 A. 对 B. 错

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单项选择题

The English custom of “first footing” requires a young, handsome man to be the first to enter the house on New Year’s Day, ensuring _____ for the inhabitants of the home in the upcoming year. A.
wealth B.
good health C.
good luck D.
good natured

单项选择题

A、A.
B、B.
C、C.
D、D.