: 听短文回答问题。 A:The significance of the toilet in our life. B:The invention of the toilet. C:The person who invented the toilet. D:The development of the toilet. 答案: The development of the toilet. 5、
: 听短文回答问题。 A:The significance of the toilet in our life. B:The invention of the toilet. C:The person who invented the toilet. D:The development of the toilet. 答案: The development of the toilet. 5、