题目内容
(请给出正确答案)
[主观题]
Definitions from authoritative (权威的)sources such as books or dictionaries are more reliable than self-made definitions, so we should avoid making an original definition as much as possible.
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第7题
A、You tell a friend the contents of this MOOC.
B、Bill obeys the orders of the officer during the military training (军训).
C、Lisa tosses a coin to decide whether she should choose to work in Beijing or Shanghai.
D、Mary shops online according to the ratings.
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