--- Tomorrow ___ my birthday. I’d like you and Jane to come. --- I’m not sure if she ______ free. A. will be; is B. is going to be; is C. is; is D
(2015年中考湖南省衡阳市卷)“无心插柳柳成荫”,说明柳树的繁殖方法适宜采用( ) A.嫁接 B.扦插
___________, he would have been fired. A.Had he lied to the boss B.Did he lie to the boss C.If he has lied to the boss D.If he lies to the boss
下列各组词语中,斜线“/”前后加点字的读音全都相同的一组是 A.发酵/地窖 稗官/裨益 风声鹤唳/伶牙俐齿 B.数落/频数 譬如/壁立 祸起
从空中以40 m/s的初速度平抛一个重为10 N的物体.物体在空中运动3 s落地,不计空气阻力,g取10 m/s2,求:(1)物体落地时重力的瞬时功率为多大?(2
右图漫画的寓意是 A.对待落后文化必须彻底依法取缔 B.腐朽文化常常以传统习俗的形式表现出来 C.要树立科学世界观,反对封建迷信思想和行为 D.
关于气孔的开闭叙述正确的是( )A.气孔白天开放,夜晚关闭B.气孔热天开放,冷天关闭C.气孔在浇水时开放,施肥时关闭D.气孔在保卫细胞吸