What is the most important meal of the day?
A. Breakfast
B. Lunch
C. Supper
D. Afternoon tea
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What DON'T we usually do in the morning?
A. Brushing our teeth
Bathing
Cleaning the room
D. Getting ready for school
Which of the following statements is TRUE according to the proverb?
A. We should eat a big breakfast
B. We should eat a big dinner
C. We should eat a simple lunch
D. We should eat three full meals
【单选题】消防头盔主要适用于消防员在火灾现场作业时佩戴,对头、颈进行保护,其最主要的作用是防止( )。
A. 热辐射
B. 燃烧火焰
C. 电击和侧击
D. 坠落物的冲击和穿透
【单选题】正压式空气呼吸器的余气报警压力为( )MPa。
A. 2-6
B. 3-4
C. 5-6
D. 5-8
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