U 10 E 12 CB

UNIT 10 E 12 CB
The Bali Tiger was declared extinct in 1937 due to hunting and habitat loss.
a. reserve b. generation c. natural environment d. diversity
It is found that endangered species are often concentrated in areas that are poor and densely populated, such as much of Asia and Africa.
a. disappeared b. increased c. threatened d. reduced
Almost half of turtles and tortoises are known to be threatened with ____.
a. extinct b. extinction c. extinctive d. extinctly
Current extinction rates are at least 100 to 1,000 times higher than _______ rates found in the fossil record.
a. nature b. natural c. naturally d. naturalness
It is reported that humans are the main reason for most species` declines and habitat _______ and degradation are the leading threats.
a. destroy b. destructive c. destructor d. destruction
We have to apply effective measures to save many plant and animal species _______ extinction.
a. from b. in c. for d. on
World Wide Fund for Nature was formed to do the mission of the preservation of biological diversity, sustainable use of natural resources, and the reduction of pollution and wasteful consumption.
a. contamination b. energy c. extinction d. development
A / an _______ species is a population of an organism which is at risk of becoming extinct.
a. dangerous b. endanger c. endangered d. endangerment
He is unreliable. What he says _______ be believed.
a. cannot b. must not c. may not d. might not
I _______ find my own way there. You _______ wait for me.
a. should / can`t b. have to / must c. can / needn`t d. might / mustn`t
I was reading the book last night before I went to bed. I never took it out of this room. It ____ be lying around here somewhere. Where ___ it be?
a. might / needn`t b. can / should c. shouldn`t / may d. must / can
You _______ take your umbrella along with you today. It _______ rain later on this afternoon.
a. ought to / mustn`t b. needn`t / will c. will / must d. should / might
13. Their plans were cancelled _______ of a bad storm.
A. in spite B. because C. instead D. in place
14. I’ll lend you the money and you ________ pay me back till next month.
A. needn’t B. mustn’t C. need D. must
15. You should change your wet shoes,________ you’ll catch cold
A. therefore B. or C. IF D. unless
16. You ________ ask a woman about her age. It’s not polite.
A. must B. need C. mustn’t D. needn’t
17. Pay attention ________ all traffic signs when you are traveling in the street.
A. for B. on C. to D. from
II. Error Correction
18. The bus will be leaving on five minutes so you’d better hurry up.
A B C D
19. Many teachers have devoted their lives to teaching, therefore teaching is not a well-paid job.
A B C D
20. My parents often take careful of me when I am ill.
A B C D
21. She passed the board exam, who made her parents proud.
A B C D

22. Lack of properly physical exercise cause tiredness and poor health
A B C D
III. WRITING:
Choose the best sentence that can be made from the words given.
we I dependent / nature / cannot survive ourselves / without wildlife
a. As we are dependent on nature and we cannot survive ourselves without wildlife.
b. We dependent on nature and therefore cannot survive ourselves without wildlife.
c. We are dependent on nature and so cannot survive ourselves without wildlife.
d. We are dependent on nature and cannot survive ourselves without wildlife.
environmental education / help / spread / environmental awareness / share practical techniques / solve the environmental problems
a. Environmental education to help for spreading environmental awareness and sharing- practical techniques to solve the environmental problems.
b. Because environmental education helps to spread environmental awareness and shares practical techniques to solve the environmental problems.
c. Environmental education helps to spread environmental awareness and shares practical techniques