【语篇导读】本文是一篇说明文。主要介绍了如何得教师资格证36.B【解析】此空设于段中,与下文存在指代关系,下文中的They指代该项中的 many types of teachingcredentials37,G【解析】此空设于段中,与上文存在解释关系。不同的地区对如何获得教师资格证有不同的要求,通常教师资格证是由教师所居住和工作的州或省颁发的38.E【解析】此空说于段中,与上文存在指代关
17.A解析:本题考查万有引力。根据万有引力提供向心力有CMm=m,地球的体积v=K,可得地球的密度p=v=4OR,A项正确
语篇导读】本文是一篇说明文。文章主要讨论了在专业洗车店洗车和自己动手洗车哪个对环境更有益处。8.B推理判断题。根据第二段中“ The main concernswith either choice are the amount of fresh water
第三节One possible wersionParagraph 1I was tired. My arms were really heavy and I felt as ifthey were on fire. We were made up and down by thewaves.I didnt know how much longer I could pull that oar