2012年12月1日,哈大高铁客运专线正式开通运营。下图为哈大高铁线路示意图。据此回答下列问题。据图估算哈大高铁线路起止点间的直线距离约为
图中高铁车站多冠以“新”字,反映出这些车站没有位于主城区的特点。这样建站的原因主要是
There are books in our library. A. many and manyB. more and more C. some and some
We should not cuttrees. A. off B. upC. down
The weather is gettingin August. A. more hot B. hoterC. hotter
Trees can keepcool. A. usB. weC. our
We need more trees. A. plantB. to plantC. planting