题目

On the first day of class, Mr Whiteson gave us a lecture about a creature(生物) called cattytiger, a kind of cat-like animal that completely disappeared during the Ice Age. He passed round a skull (头骨) as he talked, and we all felt interested and took notes while listening. Later, we had a test about that. When he returned my paper, I was very, very surprised. There was a very large cross through each of my answers. And so it was with everyone else’s in our class. What had happened? Everyone was wondering and couldn’t wait to get the answer. Very simple, Mr Whiteson explained. He had读图6和图7，回答l0～11题。10．我国玉米播种面积的增加，表明A．我国玉米种植技术不断提高B．我国玉米市场预期需求量不断提高C．我国小麦种植面积不断下降D．我国种植玉米的成本不断下降，种植玉米的利润提高11．关于2007年我国玉米消费结构的分析，正确的是A．出口率低，我国应大力开拓国际市场B．用于口粮的比重较低，我国居民的食物结构日益改善C．饲料消费比重大，玉米生产直接关系到我国的畜牧业发展D．工业加工消费比重较小，我国玉米加工工业的技术水平低