Chemistry Laboratory Safety Rules Protect Your Eyes • Appropriate eye protection must be worn at all times! Wear appropriate protective clothing • Your clothing should cover your legs to the knees – shorts are not appropriate for the laboratory • Lab aprons can be used to protect good ...
athere activities are very dangerous 那里活动是非常危险的[translate] a这条路直走,在右转,进电梯后需要刷房卡在选择楼层 This road goes straight, in turns right, after enters the elevator to need to brush Fang Ka to choose the floor[translate] aLaboratory safety rules 实验室安全规则[translate]...
Laboratory safety rules state that you mustn't run. Why? A. It's not allowed by the teacher. B. It can cause accidents. C. It's not polite. D. It makes noise. 相关知识点: 试题来源: 解析 B。解析:在实验室禁止奔跑是因为可能会导致意外事故发生。选项 A 老师不允许不是根本原因;选项 ...
1Ⅰ.阅读理解AMiddle School LaboratorySafety RulesScience isabout discovering and exploring (探索)the natural world. Explorations can occur in the classroom,laboratory or field. As part of your science lessons, you will takepart in many activities using many different materials, equipment andchemicals...
Chemistry Laboratory Safety RulesProtect Your Eyes Appropriate eye protection must be worn at all timesWear appropriate
Caution must be exercised in the handling of the drug as it can aid the entry of other drugs into the human body. Although dimethyl sulfoxide is not highly flammable, normal safety precautions used with any flammable solvent are the minimal requirements for safe use of this drug.H H Fawcett...
A. Run away immediately. B. Try to clean it up by yourself. C. Call for help and follow the proper procedures. D. Ignore it. 相关知识点: 试题来源: 解析 C。解析:在大学实验室里,如果洒了化学药品,不能马上跑开,也不能自己随意清理或者忽视它,应该呼叫帮助并遵循正确的程序。反馈...
Some rules are NOT made to be broken. That is true of the rules used in a chemistry lab. They are really, truly for your safety and not your humiliation. Do Not Pipette By Mouth - Ever You say, "But it's only water." Even if it is, how clean do you think that glassware really...
Students must ___ respect the safety rules in the laboratory. A. always B. sometimes C. never D. hardly 相关知识点: 试题来源: 解析 A。本题考查副词的用法。学生必须始终尊重实验室的安全规则,always 表示“总是,始终”,符合题意。sometimes 表示“有时”,never 表示“从不”,hardly 表示“几乎不...
We should always follow the safety rules in the laboratory. Which of the following is NOT a correct safety measure? A. Wear protective glasses. B. Play with chemicals. C. Follow the instructions of the teacher. D. Handle E. quipment carefully. ...