题目

Many people used to consider art to be paintings of fields with flowers, portraits of old- fashioned men in top hats, or pictures of bowls of fruit. 【1】, art has changed greatly in the last century. Now, computer game art and graffiti (涂鸦) 【2】 (accept) as types of art forms, too. There are 【3】 (exhibit) of these contemporary types of art in famous art galleries. Let’s discover some famous contemporary artists.Damien Hirst is an English artist. He became famous after 【4】 (attend) Goldsmiths University in London, and was very popular in the 1990s. He has used a lot of dead 下图是一反射弧的部分示意图，下列有关该图的叙述中不正确的是 A.①所示的结构包括细胞膜、细胞质和细胞核等结构，细胞质中一定含线粒体等细胞器 B.②是由突触前膜、突触间隙和突触后膜组成 C.②处兴奋传递方向为自下而上 D.如果婴幼儿时期营养不良，蛋白质等物质摄入过少，则会使①和②等结构减    少，脑重量变轻，造成智力缺陷