问题
判断题
地理上的定位误差主要包括两幅遥感图像的拼接误差以及用二维平面来表达三维空间时引起的不可避免的误差。
答案
参考答案：对
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地理上的定位误差主要包括两幅遥感图像的拼接误差以及用二维平面来表达三维空间时引起的不可避免的误差。
参考答案：对
I went to a group activity, “Sensitivity Sunday”， which was to make us more ___ the problems faced by disabled people. We were asked to “ ____ a disability” for several hours one Sunday. Some members，____ chose to use wheelchairs. Others wore soundblocking earplugs(耳塞)or blindfolds(眼罩)． Just sitting in the wheelchair was a ___ experience. I had never considered before how ____ it would be to use one. As soon as I sat down, my ____ made the chair begin to roll. Its wheels were not ____. Then I wondered where to put my ____. It took me quite a while to get the metal footrest into ____. I took my first uneasy look at what was to be my only means of ____ for several hours. For disabled people, “adopting a wheelchair” is not a temporary(临时的) ____. I tried to find a ____ position and thought it might be restful, ____ kind of nice, to be ____ around for a while. Looking around, I ____ I would have to handle the thing myself! My hands started to ache as I ___ the heavy metal wheels. I came to know that controlling the ____ of the wheelchair as not going to be a(n)____ task. My wheelchair experiment was soon ___. It made a deep impression on me. A few hours of “disability” gave me only a taste of the ____， both physical and mental, that disabled people must overcome.
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