题目

阅读下面的短文，回答问题，每题答案均不得超过5个词。 Dream house in California is not a house for only one or two children．It is one for many children．It’s a family． Imagine living on a cold street because there is no other place to stay．These children need a home．They need Dream house． Once upon a time a little girl named Collin Rose decided to offer a warm home to these sick and homeless children．When she grew up , she became a nurse and made her dream come true．In November,2003 , Collin Rose set up Dream house．   Collin Rose’s efforts 人们说地球是“水的行星”，运用图中数据可以算出地球上陆地与海洋的面积之比是（　　） A、39：61B、19：81C、29：71D、30：70