读等高线地形图,回答下列问题: ①E为山地的 _________ 部位。 ②AB线路等高线密集,登山 _________ 。(难或易) ③CD为山体的 _________ 。(山谷或山脊) 答案:(1)陡崖 (2)难 (3)山脊
Mother, where ________ you put my cellphone after you used it? I ________ it anywhere.
[ ]
A.
have; haven’t found
B.
did; didn’t find
C.
did; haven’t found
D.
have; didn’t find