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名词作表语One of the most disturbing issues concerning our environment is the short age of fresh water.　　环境问题当中，让人们担忧的就是淡水资源的短缺。　　形容词作表语Some people tend to believe that animal experimentation is just inevitable.　　一些人倾向于相信动物实验是不可避免的。v-ing作表语Denying this will be shutting one"s eyes to facts.(动名词作表语)。　　否认这一点就是闭眼不看事实。　　The music is much pleasing to the ear.(现在分词作表语)。　　音乐优美悦耳。to do(动词不定式)作表语“A possible solution is to set down effective laws.　　一种可能的措施就是制定有效的法律。　　“The purpose of education is to develop a fine personality in children.　　教育的目的是发展儿童健全的性格。从句作表语One advantage of computers being utilized in education is that they can enrich the traditional teaching method to a great extent.　　( that引导表语从句;注意句中的computers不能用computers"，因为这是动名词复合结构，当动名词短语的逻辑主语是无生命名词或是以s结尾的名词时，只能用通格，即computers。 )把计算机用于教育的一个优势就是它可以大大丰富传统的教学方式。　　The reason why (that) the environment has been deteriorating is that the government lays more emphasis on economic development rather than environmental protection.　　环境不断恶化的原因在于政府更注重经济发展而不是环境保护。