[判断题]苛性钠和它的溶液遇火既不会燃烧又不能助燃。
A.正确
B.错误

{{B}} Save Your Own Life{{/B}}
We’ve all heard the miracle stories: The Boy Scout who survived for four days in the mountains of North Carolina. The Montana couple who fought off a bear. The guy in Utah who cut off his arm to free himself from under a fallen rock. You’ve probably read many stories like this and wondered how to keep yourself out of the dangers. Here’s what to do in some life- threatening emergencies when no one’s around to help.
{{B}}Allergic Reaction{{/B}}
Bee stings, food allergies, and medications can be deadly, even if you think you don’t have allergies. Symptoms include itching in one spot or all over your body, sometimes accompanied by a rash, swelling, and, in the extreme, swelling of the airways, which hampers your ability to breathe. If you know you have a life-threatening allergy, form an action plan with your doctor, who will probably prescribe an EpiPen, which comes in child and adult dos