1. 1. Use ONE word from paragraph 1 to complete the following statement:

Paleontologists __________ to find clues about the life and extinction of dinosaurs.

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2. 2. In paragraph 1, the term “artifacts” is specifically used to refer to:

• 2. Historical documents about dinosaurs.

• 2. Tools used by paleontologists.

• 2. Fossilized remains of dinosaurs.

• 2. Modern reconstructions of dinosaurs.

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3. 3. In paragraph 2, the concept of “compile data” is used to illustrate how researchers:

• Write research papers.

• Argue against the theory of migration.

• Support their theories with evidence.

• Discredit other scientists’ work.

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4. 4. In paragraph 2, “speculate” is used to convey that some scientists:

• Fully agree with the migration theory.

•  Have doubts about the frequency of migrations.

• Provide conclusive evidence on dinosaur behaviors.

• Study only a few specific species of dinosaurs.

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CCSS.RI.2.4

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6. 5. What is “taxonomy” in paragraph 3? Use 'Fruit' as an example to elaborate your answer.

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6. 6. In paragraph 3, the term “intricate” is used to describe dinosaur taxonomy because it:

• Is simple and well-understood.

• Is complex and involves many species.

• Focuses only on a few dinosaur species.

• Does not include any modern scientific methods.

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7. 7. Use ONE word to complete the following statement based on the information in paragraph 4:

To ensure the __________ of fossils, researchers use advanced techniques.

Hints: 'the' usually follows by a Noun.

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8. 8. Find a word in paragraph 4 that means 'altogether'.

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9. 9. In paragraph 5, the writer mentioned 'scientists resolutely challenge old hypotheses'. Can you suggest one old hypotheses that could have been challenged regarding dinosaur extinction?

10. 10. Find a word in paragraph 6 that means “common.”

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