As soon as she entered the room, the girl caught sight of the flowers ________ by her mother. A. buying B. being bought C. were bought D. bough
我国人民民主专政的最大特点是( ) ①对绝大多数人民实现民主 ②具有阶级性 ③建立在一定的经济基础之上 ④对极少数敌人实行专政 A、①② B、②③④
某同学为探究恒力做功和物体动能变化间的关系,采用了如图所示的“探究物体加速度与物体质量、受力之间关系”的实验装置。 ①实验时,该同学想
Usually kids’ thoughts are different those of their parents, so it’s difficult for them to agree with each other . A. with B. at
保护环境是每一个公民的责任,下列做法,其中有利于保护环境的是( )①推广使用无磷洗涤剂 ②城市生活垃圾分类处理 ③推广使用一次性木质
I saw ________ accident this morning. Lckily,________ driver of the car wasn’t hurt. A. a; a B.an; a C. a; the D. an; the
下列哪一组说法是正确的:( )①玉米种子的胚由胚芽、胚轴、胚根、子叶四个部分组成②胚是种子的主要部分,是新植物体的幼体③将一粒玉米