问题补充：
Mr. Smith has two cats. One is big and the other is small. He likes them very much. One day his good friend Mr. White comes to see him. He is very surprised(惊奇的).He finds there are two holes(洞) in the door, a big hole and a small hole. He says, “My dear friend, why are there two holes in your door?” “To let them in and out.” Mr. Black answers. “But why are there two holes?” his friend asks, “How can the big cat go through the small hole?”
【小题1】Mr. Smith has .A．two small catsB．two big catsC．a big cat and a small oneD．a cat and a bird【小题2】Mr. White comes to see.A．Mr. SmithB．Mrs. Black C．the catsD．the holes【小题3】According to this passage. is not necessary(必要的).A．The big holeB．The small holeC．The big door.D．The small door.C
答案：
(答案→)C
解析：
【小题1】从原文中得知Mr. White有一个大和一个小的猫，故选C
【小题2】从原文中看出他想去看Mr. Smith所以选A
【小题3】推理判断，the small hole 意为小的孔，故选B
