2018年4月26日雅思听力小范围预测：Section Four

　　Section 4

　　V100605 s4 Completion

　　34

　　Amber( )

　　31-37

　　31. amber produces resin to protect itself against insects and fungi

　　32. Some resin has colors because?

　　It was formed from volcanic dust and mineral in soil.

　　33. The condition to from amber include pressure, heat and time.

　　34. The mid-product copal was formed during?

　　intermediate stage ( intermediate)

　　35. The ancient Greek believes that water and air found in the amber was trapped sunlight.

　　37. Here is a special one in every 1000100

　　38-40AMBER

　　38. it can be used to make jeweler ,necklace, but should be set in silver settings

　　39. when it was mingled with powder and honey, the medicine can prevent the disease such a plague honey.

　　40. it can be also used as building material. (building material)