读图回答下列问题。
（1）为什么冬季寒冷的气流能到达A湾沿岸？
（2）B国城市主要分布在高原上的主要原因是？
（3）C为________河，此河下游地区盛产水稻，与亚洲水稻种植业相比，在农业生产技术方面有________________________________________突出特点。但由于大量使用_____ _____以及滥垦土地，造成_________________ _______，美国曾多次发生“黑色风暴”灾难。
（4）北美五大湖中完全位于美国境内的是________________。
（5）当前，受国际金融危机影响，美国汽车业陷入困境。E为美国的汽车城____________。
（6）F是太平洋沿岸最大的港口城市____________。
（1）北美中部是纵贯南北的大平原，对来自极地的寒冷气流，几乎没有阻挡作用
（2）地处热带，低地闷热，居住条件不利（或高原海拔高，气候凉爽，适宜居住）
（3）密西西比 农业科技水平和机械化水平较高的 化肥、农药 环境污染和生态平衡破坏
（4）密歇根湖
（5）底特律
（6）洛杉矶
I'm thinking about what I'm going to do this summer. Maybe I'll get a job. If I get a job, I'll have ____money to buy some new things. I'd like to have some new dresses ____ I start school again in September. I can also buy some books or some music CDs. I really love jazz(爵士乐)．I could buy some more CDs____my jazz collection. Or I can use the money ____tennis lessons. I can play tennis ____，but I'd like to learn to play it much better. Or maybe I can use the money to pay for the piano lessons.I'd like to learn to play the piano，too. If I don't get a job this summer, I'll visit my grandparents in San Francisco. They live in a beautiful old house ____ the sea. My grandparents are always very nice to me. They'll let me sleep late. I ____ have to get up until 10 o'clock every day. I'll eat delicious food because my grandmother is an excellent ____. She always cooks my favorite food. I'll also go to the ____ with my grandparents. Because I like swimming in the sea. My grandparents like to go to museums but I don't enjoy it so much, so maybe I'll ____to watch TV.
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