敦煌位于甘肃、青海、新疆三省（区）的交汇处，古丝绸之路在这里经过。敦煌属温带大陆性气候，年降雨量只有39． 9毫米，而蒸发量却高达2400毫米，气候极端干旱，冬冷夏热。敦煌旅游业发展较快，敦煌莫高窟、鸣沙山、月牙泉、雅丹地貌、玉门关、阳关被誉为敦煌六景，其中素有“沙漠奇观”之称的呜沙山月牙泉和敦煌莫高窟更是敦煌旅游的两颗明珠。读敦煌地理位置简图，回答下列问题。

    Picture this scene. You wake up on a school morning, and you know you're 1. Maybe your throat is sore. Maybe your head hurts. Whatever the 2 is, your mum or your dad sends you back to bed to rest. This 3 to every kid once in a while, right?

    Wrong. And the living proof (证据) is eighteen-year-old Travis Schmidt. From his first day of kindergarten (幼儿园) to his last day of high school, Travis 4 stayed home sick. At first, Travis didn't think too much about never being absent (缺席的). But then he reached third grade with perfect attendance (出勤率). At that point, Travis decided to see how 5 he could keep it up.

    So how did Travis successfully keep 13 years of perfect attendance? In the first place, he's a very heathy kid. Although he got colds like everyone else, Travis never felt sick enough to stay home. Travis also 6 ahead (提前地). For example, he knew he'd 7 get chickenpox (水痘) sooner or later. So when a friend caught chickenpox one summer, Travis made sure to 8 him. A few days later, he was covered with poxes. But he had quite a lot of 9 to get better before school started in autumn.

    Travis is 10 his record. "I may not be the smartest or the coolest. But I'm always there," he says.