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【单选题】
下列说法正确的是[ ]A.
刚玉、金刚砂，红宝石、蓝宝石的主要成分是氧化铝
B.
石英、硅石、水晶、珍珠、玛瑙主要成分都是SiO2
C.
工业制水泥、玻璃都要用到石灰石；制水泥、陶瓷都要用到粘土
D.
氮化硅陶瓷，光导纤维，钠硅玻璃于新型硅酸盐材料
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【判断题】He majored in history in college,but he turned out to be a salesman after graduation.
A.
正确
B.
错误
【简答题】青岛啤酒的“锐意进取,奉献社会” 青岛啤酒股份有限公司的前身是国营青岛啤酒厂,1903年由英、德两国商人合资开办,当时名为“日尔曼啤酒股份公司青岛公司”,是我国最早的啤酒生产企业。其生产设备、原材料都是从德国进口,该厂产品1906年即在慕尼黑国际博览会上获得金奖。现在的青岛啤酒选用优质大麦、大米、上等啤酒花和软硬适度、洁净甘美的崂山矿泉水为原料酿制而成。原麦汁浓度为12度,酒精含量35%~4%。...
【简答题】He majored in computer when he was in college. After graduation, he became a computer ____.
【单选题】10 A) He applies for this job to earn more money B) He majored in computer in the univesity C) He knows little about computer D) He has just graduated from a university
A.
1
B.
2
C.
3
D.
4
【多选题】下面关于色彩的说法哪些是对的?
A.
色彩给人以不同的冷暖感。
B.
蓝、紫、白；会使人产生寒冷、沉静的感觉，称为冷色调。
C.
色彩的冷暖感是可以真实感知的。
D.
红、黄、橙会使人产生温暖、热烈和兴奋的感觉
【单选题】He majored in ____ literature in college, but he turned out to be a salesman after graduation.
A.
a
B.
the
C.
/
【简答题】It is well-known that Jiang was born on August 17, 1926, in the city Yangzhou in Jiangsu Province. He studied at ( ), where he majored in electrical engineering, and graduated in 1947.
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