(17)Our neighbour has ______ ours.转自环 球 网 校edu24ol.com

　　A. as a big house as B. as big a house as

　　C. the same big house as D. a house the same big as

　　解析：由句式结构判断，选B.

　　(18)It is generally believed that teaching is ________it is a science.

　　A. an art much as　B. much an art as

　　C. as an art much as　D. as much an art as

　　解析：由固定搭配"as+形容词+[(a/an+)名词]+as"可排除选项A，B和C.答案是D.

　　4. 比较级，A or B?

　　(18)Which do you think tastes________, the chicken or the fish?

　　A. well B. good C. better D. best

　　解析：两者之间比较，要用比较级。答案是C.