题目

（2010·安徽师大附中高三二模）       21．Some of the exercises appear to be _____ones that you have done, but after taking ____second look, you will find that they are different. A. /, the     B. the, the         C. the, a           D. /,  a 答案：C某市某中学开展地理观测活动，该图中各点是a、b、c、d四小组以村庄M为基点的实测相对高度，单位为米。据此回答问题。1.村庄所处的局部地形是A.山脊B.山间盆地C.鞍部D.山顶2.a、b、c、d四小组所在坡地中，坡度最陡的是A.aB.bC.cD.d