阅读下面的短文，在标有序号的空白处填入一个适当的词或用括号中词的适当形式填空。
The skin is 【小题1】 essential part of your body and its largest organ. You have three
l 【小题2】 of skin which act as a barrier 【小题3】 disease , poisons and the sun’s harmful rays. The functions of your skin are also very 【小题4】 : it keeps you warm or cool; it【小题5】 your body from losing too much water; it is 【小题6】 you feel cold , heat or pain and it gives you your 【小题7】 of touch. So as you can imagine, if your skin gets _【小题8】 it can be very serious. First aid is a very important 【小题9】 step in the treatment of burns . You can get burned by a variety of things. There are three types of burns, 【小题10】 (depend) on which layers of the skin are burned. an
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(答案→)an
解析：
【小题1】考查冠词：皮肤是人体的一个基本部分：an
【小题2】考查名词：你有三层皮肤，three后面是名词：layers
【小题3】考查介词：抵御疾病的障碍：against
【小题4】考查形容词：皮肤的功能很负杂：plex
【小题5】 考查动词：它可以阻止你失去水分：prevents(stops ,/keeps)用一般现在时的第三人称单数。
【小题6】考查表语从句:这是你感觉冷热的地方：where
【小题7】考查名词：sense of touch触觉
【小题8】 考查词组：get burned被烧伤
【小题9】由前面的First aid 可知填first
【小题10】考查现在分词做状语：depending 依赖