Unit 5 Reading and Thinking 课文改编填空-2022-2023学年高中英语人教版（2019）选择性必修第二册

Unit 5 First Aid 填空 ___________ (comprise) of primarily two layers, the skin is human’s __________ (large) organ, ___________ (cover) a total area of about 20 square feet. The skin is of great ___________ (significant), serving many vital physiological functions. It acts ___________ the first line of ___________ (defend) of your immune system, gives you your sense of touch and also prevents your body ___________ losing too much water. As you can imagine, burned skin, unless ___________ (treat) right away, will make your body much more vulnerable to ___________ (infect), shock, and disease. Before giving first aid treatment, it's important to correctly identify the ___________ (severe) of the burn injury. The ___________ (appear) at the center of the wound is the indicator of what degree of treatment ___________ (require). The first-degree is the ___________ (little) harmful, and third-degree burns are the worst. ___________ follows is a short list of general steps to take: First, flush the area with cool water ___________ (immediate) but ___________ (gentle). In the ___________ (absent) of water, use any cool clean fluid such as beer or soft drink. Then, remove any tight clothing from the wound ___________ it's sticking. After that, cover the burn with a clean cloth. Meanwhile, the first aid measures you don't take can be as important as ___________ you do take. Here's the “short list” on what not to do: Do not pierce or open blisters, ___________ leaves the burned person “wide open” for _____________ (bacterium). Do not peel off burned dead skin. It not only leaves the new skin underneath vulnerable to illness, ___________ it can cause scarring. Do not attempt ___________ (remove) any clothing sticking to the burn. Pulling away the cloth can also peel away any healing skin. Do not use butter, antiseptic creams, ___________ any other “folk remedies” on burns. ___________ of these treatments will do anything ___________ (benefit) for major burns. Keys Comprised