–Have you handed in your schoolwork yet? --Yes, I have. I guess it ________ now. A. has graded B. is graded C. is being graded D. is grading 答案:C下图示意某地区年均温的分布。读图完成下列各题。【1】影响该地区年均温分布特征的主要因素是( )A. 台风 B. 海陆分布 C. 地形 D. 大气环流【2】图示①②③④四地中,年降水量最低的是( )A. ①地 B. ②地 C. ③地 D. ④地