题目

装有胶卷的照相机和眼球有很多相似之处，下面各组照相机和眼球对应的结构，功能不相似的是(    )A．闪光灯和角膜      B．胶卷和视网膜 C．光圈和瞳孔        D．镜头和晶状体  答案：A解析:略 We agreed to accepted ______ they thought was the best tourist guide.A. whatever B. anyone C. whichever D. Whoever