The World Is Getting Smaller Imagine this: a television screen the size and thickness of a piece of paper. You carry it around in your pocket and take it out when you want to watch a show. Imagine a g
一元二次方程的根的情况是（ ）． A．有两个不相等的正实数根 B．有两个不相等的负实数根 C．有两个相等的实数根
下列各组离子在溶液中,一定能大量共存，并形成无色透明溶液的是 A．Fe3+、K+、SO42－ B．Ag+、Na+、Cl－ C．OH－、Ba2+、CO32－
【小题1】Many people don’t understand the of learning English well.（重要性）【小题2】The bag is just for one of the （旅游者）【小题3】
This work is _________difficult for us. We need _________people. A. too much; three more B. too much; other three C. much too; more three
阅读下面的文章，完成下列各题。 中、西方戏剧与人生 中国戏剧，可用三句话概括指出其特点，既是：动作舞蹈化，语言音乐化，布景图案化。此三者
It is often said that____ teachers have ___ very easy life. A. 不填；不填 B. 不填；a C. the; 不填 D. the; a
下图是“某区域沿回归线的地形剖面示意图”。下列叙述正确的是（ ） A.a处气候类型为地中海气候 B.b山脉由南极洲板块与美洲板块碰撞、挤
