我国地形复杂多样，山区面积广，回答以下小题。
小题1:我国东北平原盛产的农作物有
A．甘蔗、玉米
B．小麦、玉米
C．甜菜、棉花
D．水稻、棉花小题2:云贵高原的特点是
A．地面平坦，一望无际
B．千沟万壑，支离破碎
C．地面崎岖，多“坝子”
D．雪山连绵，冰川广布
小题1:B
小题2:C
小题1:我国的东北平原主要种植春小麦、玉米、大豆、甜菜等，水稻主要分布在南方地区，甘蔗主要种植在南部沿海地区，棉花主要分布在黄河流域、长江流域和新疆。
小题2:我国四大高原各有特点，青藏高原雪山连绵、冰川广布，内蒙古高原地面平坦、一望无际，黄土高原千沟万壑、支离破碎，云贵高原地面崎岖、峰岭众多（多“坝子”）。
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| I always remembered the first time I took part in an English composition competition. "Right! Dean would be the __11__ of our class to participate in the English composition competition," my classmates said. I was too __12__ to speak when I heard what my classmates said. In order not to __13__ short of my classmates'__14__, I trained myself very hard for the hope of being the __15__ of the competition, which would take place a month later. I __16__ a lot of vocabulary, sentence structures and __17__ rules and read many good or renowned articles. Not having I __18__ pretty well, the day came. Every candidate __19__ me looked so wellprepared and __20__. "Only 1. 5 hours. Start," a supervisor suddenly said. Seeing the __21__ "What do most teenagers concern nowadays?" I was nervous and got __22__ block. What's worse, other candidates had begun writing. Moments later, I __23__ myself, took a deep breath, and began brainstorming ideas __24__ the topic. I quickly wrote down the composition structure, central theme, and __25__ necessary elements. As the finishing time was __26__, I tried my best to accelerate my writing. Unfortunately, __27__ my failure of time management, I left my composition incomplete. My final draft looked like a robot __28__ legs were broken. The result came out two weeks later. To my surprise, I got the second prize! All my classmates cheered for me. This encouraged me a lot. __29__ I was not the first prize winner, I could still __30__ pride and happiness spreading around me. | ||||
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