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问题 单项选择题

五个铁合金厂职工人数及利润率统计表

西北铁合金厂职工总人数比西南铁合金厂职工总人数少多少（）

A．4774人

B．4784人

C．3786人

D．.8629人

答案

参考答案：A

单项选择题

The mother of a 3-year-old calls the emergency room nurse at 3.00 AM and reports her child has a temperature of 101.1°F (38.4℃), a runny nose, and a barky cough that "gets going and won’t stop. " The mother states that she just gave the child acetaminophen (Tylenol). Which of the following should the nurse recommend next

A. Giving the child an over-the-counter decongestant.
B. Administering aspirin in 2 hours.
C. Sitting with the child in a steamy warm bathroom.
D. Running a steam vaporizer near the child’s bedsid
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选择题

下列各式计算正确的是（　　）

A．6a+a=6a2

B．3ab2-5b2a=-2ab2

C．4m2n-2mn2=2mn

D．-2a+5b=3ab
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