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【单选题】
四川省有( )种矿产的保有资源储量居全国前5位A.
34
B.
46
C.
43
D.
56
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举一反三
【单选题】Although he was disabled when he was only ten years of age,yet he aimed _____,for which his classmates spoke ______of him.
A.
high;high
B.
highly; highly
C.
highly; high
D.
high; highly
【简答题】Indian boy Piscine Patel is troubled by his first name. It sounds like a rude word, and his classmates laughed at him. He decides to change his name to “Pi”. But Pi’s name problems are nothing compare...
【简答题】When I was in the middle school, my 1 did an exchange(交流) with a French school.Some of my classmates and I went to 2 in France.The school was in a small and beautiful town.One of my 3 , Robin, was sta...
【简答题】任务三:铸造工艺设计 1.小组分工及组内评价。 2.设计任务。 每组根据自己分配到的零件,进行零件毛坯铸造工艺的分析和设计。要求能从零件特点分析入手,掌握如何选择适合的铸造工艺方法、如何应用铸造工艺、如何设计铸件图、铸件在砂型中如何摆放、浇冒口设计在什么地方、木模怎么设计安排、怎样分型以及如何避免铸造缺陷等知识和技能,直至铸件成型。 零件特点: 确定铸造工艺方法: 铸件图: 木模、砂型合箱示意图:...
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