—How much farther shall we have to go? —Another five miles until we reach the mountain . A. at a distance B. in a distance C. at distance D. in the distance 答案:D考查词组。无B、C结构,at a distance “从某一距离,在某一距离”;in the distance“在远处”。下列一些物质的自我介绍,其中介绍自己化学性质的是( )A.B.C.D.