下列有关植物群落分层现象的解释，不正确的是 A．分层现象是植物群落与环境条件相互作用的结果 B．决定这种现象的环境因素除光照外，还有温度和
We often just use our sense of sight, touch, smell, and taste to eat food. But what about our sense of hearing? Does sound also affect our dining experience? A new report answers, “yes, it does.
四、it类 . Everyone knows that _______ is dangerous to play with fire, but _______ is difficult is to prevent children from playing with fire. A. it, it B. what, what
一人自街上路灯的正下方经过，看到自己头部的影子正好在自己脚下，如果人以不变速度直线朝前走，则他的头部的影子相对于地的运动情况是A．匀速
阅读理解。阅读下列材料，从A、B、C、D四个选项中选出最佳答案。 All through the winter, the Esquimaux(爱斯基摩人) live in houses made of snow. These small houses are
The terrorists（恐怖分子）in Xinjiang ______ last month. A. are caught B. was caught C. were caught D. is caught
甲、乙两队参加拔河比赛，甲队胜，若不计绳子的质量，下列说法正确的是（ ）A.甲队拉绳子的力大于乙队拉绳子的力B.甲队对地面的摩擦力大于乙
阅读下面这首宋诗，完成文后各题。 唐崇徽公主手痕① 欧阳修 故乡飞鸟尚啁啾，何况悲笳出塞愁。 青冢埋魂知不返，翠崖遗迹为谁留? 玉颜自古为身
