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簽 ) on chemical bottles twice before removing any of the only as many chemicals as you need. 6. All the chemicals in the lab are to be considered not touch,taste, or smell any chemicals unless specifically asked to do so. 7. At the end of your experiment, clean everything carefully and return your equipment to where you got your hands with soap and water after performing all the experiments. WEAR 1. Dress properly during the lab hair must be tied back and shoes must pletely cover the feet. 2. Contact lenses should not be worn in the lab unless you are allowed by your teacher. 3. Any time chemicals, heat, or glassware are used, students will wear lab goggles(護(hù)目鏡 ). Nobody should break this rule! ACCIDENTS AND INJURIES 1. Report any accident or injury to the teacher immediately. 2. If a chemical should splash(濺落 ) in your eye(s) or on your skin, immediately clean with running water for at least 20 minutes. 1. Which of the following is the best title for the passage? A. How to Do an Experiment B. Things Used in the Lab C. The School Science Lab D. Lab Safety Rules 2. If you ________, you break the lab rules according to the passage. a. touch no chemicals when first in a lab b. pour drink into the glassware c. take twice as many chemicals as you need d. put everything in order at the end of your experiment e. wear slippers on lab days A. a, d B. a, b, c C. d, e D. b, c, e 3. When in the lab, you can do