单项选择题
The professor could tell by the () look in Maria’s eyes...
单项选择题The professor could tell by the () look in Maria’s eyes that she didn’t understand a single word of his lecture. A、cold B、blank C、innocent D、fresh
属于豆科蝶形花亚科的主要特征有A.常有托叶 B.花两侧对称 C.二体雄蕊 D.旗瓣位于最内方
多项选择题属于豆科蝶形花亚科的主要特征有
楼梯集中标注第二行2000/15,标注的内容是( ) A. 踏步段总高...
单项选择题楼梯集中标注第二行2000/15,标注的内容是( ) A. 踏步段总高度2000/踏步级数15 B. 上部纵筋和下部纵筋信息 C. 楼梯序号是2000,板厚15 D. 楼梯平面几何尺寸