多项选择题

华氏温标规定以（）为固定点

A.水冰点32.F，
B.水沸点212.F
C.水冰点0
D.水沸点0

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对于商业物业来说，规模越大，覆盖的商圈范围就越大，越大越好。
正确
错误

答案：错误

单项选择题

8. Since the beginning of 2013, these regulations ____ in most workplacesacross the country.
A、
A. will be introduced
B、B. are introduced
C、C. have been introduced
D、D. were introduced