石油资源极为丰富、水资源匮乏,冲突不断的热点地区是( )
A:中东地区
B:撒哈拉以南的非洲
C:美国
D:俄罗斯
请按要求填空:
我国幅员辽阔,南北相距5500多千米,跨纬度约50度,这就造成了
你会做下列加法题吗?
①What's six and one? It's ____.
②What's two and three? It's ____.
③What's zero and nine? It's____.
④What's four and three? It's____.
⑤What's one and five? It's____.