Easter Island is believed to be the remotest inhabited （有人居住的）island in the world. It is f____(2)____ for its 887 huge statues. They are called moai and were created by the early Rapanui people （拉帕努伊人）between 1100 and 1680．

(a)  

The statues were carved out of solidified volcanic ash （火山灰）.The Rapanui carvers used only stone chisels （凿子） to create these grand statues. A single moai statue could have taken a team of six men about one year to f____(3)____ Experts believe each statue might represent a dead leader of a native family.

(a)  

Although many statues remain in the quarry（采石场）， some were moved to other areas on Easter Island. Some of the statues w____(4)____ over 80 tons. So how did the Rapanui people t____(此题不填)____ these heavy statues up to 11 miles away without wheels or animals?

(a)  

Although many statues remain in the quarry（采石场）， some were moved to other areas on Easter Island. Some of the statues w____(此题不填)____ over 80 tons. So how did the Rapanui people t____(5)____ these heavy statues up to 11 miles away without wheels or animals?

(a)  

Experts have come up with many d____(6)____ theories（说法）over the years． But even to this day, no one knows for sure how these statues got to their current 1____(此题不填)____around the island. This is the biggest mystery of Easter Island.

(a)  

Experts have come up with many d____(此题不填)____ theories（说法）over the years． But even to this day, no one knows for sure how these statues got to their current 1____(7)____around the island. This is the biggest mystery of Easter Island.

(a)