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25 tháng 2 2020

5. The population of the town can be divided into three main ______________.

A. gangs B. tribes C. lists D. groups

6. ____________refers to the existence of different plants and animals in a place.

A. Resources B. Existence C. Biodiversity D. Marine

7. The turtle has a long life _________________.

A. age B. span C. expectancy D. Both B and C

8. The case is still under ___________________

A. investigate B. investigated C. investigator D. investigation

9. The whale is a(n) _______________species.

A. endanger B. dangerous C. endangered D. endangering

10. Strong _________________are dangerous for swimmers.

A. seas B. rivers C. climates D. currents

11. It is important to ________________a reasonable level of fitness.

A. control B. maintain C. keep D. B and C

12. We would stay at home __________________.

A. if it were snowing C. if it is going to snow

B. if it would snow D. if it will snow.

13. I am sure that Nam would go to the cinema with you ____________.

A. if you ask him C. if you asked him

B. if you will ask him D. if you would ask him

14. I will never talk to you again _____________you apologize me___________ your being so rude.

A. if / for B. unless / for C. or / of D. whether / of

15. The whale feeds by opening its mouth wide, waiting for masses of shrimps-like animals called

_____________.

A. crabs B. shrimps C. starfish D. krill