下列属于“北大仓”主要商品粮的是( ) A.春小麦 B.冬小麦 C.谷子 D.高粱 答案:A 【分析】北大仓”是指东北平原中的三江平原,这里曾经是“北大荒”,后来经过人们改造和开垦,如今变成了我国重要的商品粮基地,是著名的“北大仓”,这里种植的主要粮食作物是春小麦,故选A。4.The head teacher with his students _______Teanchengshan Park if it _______tomorrow.( )A.is going to; isn't rainyB.are going to; isn't rainyC.is going to; won't rainD.are going to; doesn't rain