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Hoàng Thị Xuân Lam

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Gap-filling

The coelacanth

The fish the coelacanth,(0)____was very common during the early history of the world,gets(1)____name from the Ancient Greek term for 'hollow spine'.At the begining (2)____the twentieth century,scientists believed (3)_____the coelacanth was extinct.Indeed,they had worked (4)_____from fossils off coelacanths that it (5)_____been extinct for over sixty million years.

Then,in 1983,an extremely exciting scientific discovery was (6)_____.A fisherman fishing off (7)_____coast of South Africa caught a very peculiar fish.Ha brought it back to the mainland (8)_____analysis, and it was identified from its hollow spine and the shape of its finds(9)_____a coelacanth.The fish was not extinct after (10)_____.

Unfortunately,the fish decomposes rapidly,preventing scientists (11)_____carrying out furrther studies on it.However,(12)_____1952 a number of coelacanths have (13)_____caught in the seas around east Africa,(14)_____scientists to examine the fish which everyone had presumed had died (15)_____with the dinosaurs.

An Trần
26 tháng 11 2017 lúc 21:44

Gap-filling

The coelacanth

The fish the coelacanth,(0)__which__was very common during the early history of the world,gets(1)__its__name from the Ancient Greek term for 'hollow spine'.At the begining (2)__of__the twentieth century,scientists believed (3)__that___the coelacanth was extinct.Indeed,they had worked (4)___out__from fossils off coelacanths that it (5)__has___been extinct for over sixty million years.

Then,in 1983,an extremely exciting scientific discovery was (6)__made___.A fisherman fishing off (7)__the___coast of South Africa caught a very peculiar fish.Ha brought it back to the mainland (8)___for__analysis, and it was identified from its hollow spine and the shape of its finds(9)__as___a coelacanth.The fish was not extinct after (10)__....___.

Unfortunately,the fish decomposes rapidly,preventing scientists (11)__from___carrying out furrther studies on it.However,(12)__since___1952 a number of coelacanths have (13)__been___caught in the seas around east Africa,(14)__allowing___scientists to examine the fish which everyone had presumed had died (15)__out___with the dinosaurs.


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