A:我国既位于北半球,又位于东半球
B:我国领土的最西端在帕米尔高原,最南端在海南岛上
C:我国位于亚欧大陆的西部,太平洋的东侧
D:我国所跨纬度较广,地处寒、温、热三带
注意:1). 词数100左右;
2). 信的开头已给出,不计入总词数;
3). 可适当增加内容,以使行文流畅
Dear Rob,
How is it going? Now, it's my turn to tell you about the Chinese school system.
Yours,
Li Kang
如图,已知双曲线y=-5x经过Rt△OAB斜边OA的中点D,且与直角边AB相交于点C,△AOC的面积为( )
The chief engineer of the high-speed railway ________ Shanghai to Beijing always devotes most of his time ________ his work.
养殖种类
成本(万元/亩)
销售额(万元/亩)
甲鱼
2.4
3
桂鱼
2
2.5