题目设计阅读下面的文字,按照要求作文。有一老一小两个人同时在沙漠里种胡杨树。年轻人待树苗成活以后,每隔三天就要来给它浇水,而老人一等到树苗成活,就来得很少了,即使 Topic Design Read the following text and write as required. There is an old, a small, two people planting poplar trees in the desert at the same time. After the young people survived the seedlings, they would come to water it every three days. When the old man waited for the seedlings to survive, there would be very little, even if