1. The Missing Piece Unit 1 Reading Explorer-- Review

2. What is an adjective for evolve? evolutionary

3. Michael Phelps is an Olympic ______________. champion

4. High altitude people in Tibet have ___________by breathing faster. adapted

5. Why did people move to the mountains (to high altitudes)? the ___________of good hunting prospect

6. All of us have characteristics that have resulted from our environment; we also have characteristics that are___________. These have been inherited biologically. genetic

7. The _____________(noun)of his workout made him very tired. intensity

8. I don’t have to think about brushing my teeth. I just do it ___________. (adverb) automatically

9. Hard work is an essential __________for getting good grades. attribute

10. Unfortunately, the ____________ (noun)broke, so we had no source for electricity during the hurricane. (hint: the verb means produce) generator

11. What is the noun for attribute? attribute

12. A person who has a PhD in psychology is a __________________. psychologist

13. What is the noun for differentiate? differentiation

14. If I read more in English, I can ___________(verb)my reading skills. A synonym for this word is improve. enhance

15. Please make an ______________ (noun)to the thermostat. Please turn up the heat! (hint: change slightly) adjustment

16. How many years in a decade? TEN (10)

17. We need more __________before we decide to change the rules. We don’t have enough information. data

18. I don’t like to be like other people. I want to _____________myself from others by finding a hobby or skill in which I can excel. differentiate