题目

图4为油菜在同一时期不同地区的生长状况图，读图完成12-13题。 12．产生图中所示的差异的主要原因是                                   A．热量              B．光照    C．水源           D．土壤 13.a地种植的油菜主要分布在河谷地区的主导因素是 A．水源充足      B．土壤肥沃    C．热量充足    D．地势平坦Lin Tao：Excuse me. Where ________ you from? Green：I ________ from the USA. Lin Tao：What do you know ________ China? Green：Well, a lot. China is a big ________. It has nice food and friendly people. I have many friends here. Lin Tao：Can you ________ Chinese? Green：Yes, but only a ________. I think Chinese is hard to learn. Lin Tao：I’d like ________ ________ you Chinese, and I think you can help me with my English. Is that OK? Green：That’s great! We can ________ new friends. Lin Tao：Yes, we can!