At weekends in Chengdu, you can often see many people _____ outside some restaurants, _____ to have dinner. A. sit; wait B. seated; waiting C. seating; waiting
不等式的解集是( )A.(0,2) B.(0,2.5)C.(0,) D.(0,3)
下列各句中,标点符号使用正确的一句是 A.“工欲善其事,必先利其器,”广泛的课外知识才是我们中学生求学增智过程中披荆斩棘、无坚不摧的“利
除去下列物质中的少量杂质,所用方法正确的是 ( ) 选项物质(括号内为杂质)除杂方法 ACu(CuO)加入适量的
Back in the 15th century, in a tiny village in Germany, lived a family with eighteen children.Eighteen! In order 36 to keep food on the table, the father, a goldsmith by 37 , worked almos
在XY型性别决定中,起作用的是( ) A.精子 B.卵细胞C.体细胞D.环境条件
补写出下列名篇名句中的空缺部分。 (1)冰泉冷涩弦凝绝,______________。______________,此时无声胜有声。(白居易《琵琶行》) (2)令初下,群臣进谏,_________
(2009全国卷Ⅱ文)已知△ABC中,,则 A. B. C. D.