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Module 5A Lesson in a LabTrue (T) or False (F)1Students can work in the lab by themselves if a teacher isnt present.( )2You can drink when thirsty,but you cant eat when hungry in the lab.( )3You must never wear contact lenses in the lab.( )答案:答案:1.F2.F3.F谢谢观看!谢谢观看!