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主页 PTE写作 Summarize Written Text

    Read the passage below and summarize it using one sentence. Type your response in the box at the bottom of the screen. You have 10 minutes to finish this task. Your response will be judge on the quality of your writing and on how well your response presents the key points in the passage.

A miner in the state of Chiapas found a tiny tree frog that has been preserved in amber for 25 million years, a researcher said. If authenticated, the preserved frog would be the first of its kind found in Mexico, according to David Grimaldi, a biologist and curator at the American Museum of Natural History, who was not involved in the find.

The chunk of amber containing the frog, less than half an inch long, was uncovered by a miner inMexico's southern Chiapas state in 2005 and was bought by a private collector, who lent it to scientists for study.

A few other preserved frogs have been found in chunks of amber - a stone formed by ancient tree sap -mostly in the Dominican Republic, “Like those, the frog found in Chiapas appears to be of the genus Craugastor, whose descendants still inhabit the region”said biologist Gerardo Carbot of the Chiapas Natural History and Ecology Institute, Carbot announced the discovery this week. The scientist said the frog lived about 25 million years ago, based on the geological strata where the amber was found.

Carbot would like to extract a sample from the frog's remains in hopes of finding DNA that could identify the particular species, but doubts the owner would let him drill into the stone.

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