STZ-treated rats， which are totally defective in insulin secretion， are a common model of Type 1 diabetes.
THIS， THAT， THESE， THOSE can be used as demonstrative pronouns and demonstrative adjectives. We use THIS and THAT with singular and uncountable nouns and we use THESE and THOSE with plural nouns.当自报家门时，用THIS， 如HI， THIS IS ANDY / THIS IS ANDY SPEAKING。
譬如说: 例:These behaviours are observed among children who are exposed to violence at home. 大意:这些行为是在遭受家庭暴力的儿童中观察到的。
