托福阅读指代题范例11

　　Paragraph 6：From early times pots were used in both religious and secular contexts. The imperial court commissioned work and in the Yuan dynasty (A.D. 1279-1368) an imperial ceramic factory was established at Jingdezhen. Pots played an important part in some religious ceremonies. Long and often lyrical descriptions of the different types of ware exist that assist in classifying pots, although these sometimes confuse an already large and complicated picture.

　　The word these in the passage refers to

　　religious ceremonies

　　descriptions

　　types of ware

　　pots