Scientists found in some mountains the remains of an animal about the size of a ____________, which proved the (_____________) _____________ between Antarctica and the Gondwanaland continents. Since then, other fossils of _____________ and ____________ have also been found.
举一反三
- （）from other continents for millions of years, Australia has varieties of species which can hardly be found in other parts of the world. A: Being separated B: Having been separated C: To be separated D: To have been separated
- 6. Since the remains of Mesosaurus have been found in both Africa and South America, Wegener that South America and Africa must have been joined during that period of Earth history. A: criticized B: convinced C: opposed D: asserted
- Have scientists found of water on Mars?
- ______ from other continents for millions of years, Australia has many plants and animals not found in any other country in the world.
- The cause and effect for the time being. A: are not found out B: have not been found out C: were not found out D: has not been found out