生理成熟的烟叶(). ["主色调为绿色或浅绿色","主色调为浓绿色","主色调为黄色","物质积累最多"]
浇筑楼板混凝土的虚铺高度,可高于楼板设计厚度()。 ["1~2cm","2~3cm","3~4cm","4~5cm"]
()是英国文艺复兴运动的先驱。 ["莎士比亚","塞万提斯","乔叟","薄伽丘"]
济钢球团1#竖炉于()投入生产。 ["A.1996年","B.1987年","C.1968年","D.1995年"]
下列哪些作品是但丁的作品:() ["《神曲》","《上帝之城》","《论俗语》","《疯狂的罗兰》"]
循环水场常用药剂有()、()和()三种。