PRACTICE TEST 10

I. PRONUNCIATION
Choose the word whose underlined part is pronounced differently from that of the others.
1. A. endangered B. destroyed C. damaged D. provided
2. A. chemical B. which C. change D. each
3. A. protect B. commercial C. construction D. climate
Choose the word whose main stress is put differently from that of the others in the group.
4. A. disappearance B. vulnerable C. conservation D. generation
5. A. current B. global C. crisis D. mankind

II. GRAMMAR & VOCABULARY
6. _______ is a branch of Natural Science, and is the study of living organisms and how they interact with their environment.
A. Biology B. Biological C. Biologist D. Biologically
7. A(n) _______ species is a population of an organism which is at risk of becoming extinct.
A. dangerous B. endanger C. endangered D. endangerment
8. Only a few of the many species at risk of extinction actually make it to the lists and obtain legal _______.
A. protect B. protection C. protective D. protector
9. Probability of extinction depends _______ both the population size and fine details of the population demography.
A. on B. in C. from D. for
10. Many modern medicines are derived _______ plants and animals.
A. on B. for C. from D. in
11. 7,266 animal species and 8,323 plant species are now considered _______ risk _______ extinction.
A. at / of B. on / in C. for / with D. in / at
12. _______ is the existence of a wide variety of plant and animal species living in their natural environment.
A. Biodiversity B. Conservation C. Globe D. Individual
13. She ________ be ill. I have just seen her playing basket ball in the school yard.
A. needn`t B. shouldn`t C. mustn`t D. can`t
14. Peter has been working for 10 hours. He _______ be very tired now.
A. needn`t B. must C. has to D. should
15. Species become extinct or endangered for _______ number of reasons, but _____ primary cause is the destruction of habitat by human activities.
A. Ø / a B. a / the C. the / a D. Ø / Ø
16. Since _______ 1600s, worldwide overexploitation of animals for _______ food and other products has caused numerous species to become extinct or endangered.
A. the / a B. the / Ø C. Ø / the D. the / the
17. ________ ten minutes earlier, you would have got a better seat.
A. Had you arrive B. If you hadn’t arrive C. Were you arriving D. If you arrive
18. _______ I moved in my new apartment, my neighbors have come to my house twice.
A. Because B. Since C. When D. After
19. Is Amy married? - ________.
A. I think B. I think not C. I don’t think so D. I don’t think that
20. I lost my key. I`ll have to _______.
A. have other key made B. have another key made C. be made a key D. another key to make
21. ________the fifth largest among the nine planets that make up our solar system.
A. The Earth is B. The Earth being C. That the Earth is D. Being the Earth
22. If gasoline vapour _______with air, combustion will occur.
A. mixed B. had mixed C. mixes D. mix
23. He went to the cinema ______ he had done his work.
A. before B. until C. by the time D. after
24. Warmth, moisture, and oxygen are three necessary requirements ______ most seedlings.
A. for cultivating B. cultivate C. as cultivating D. can cultivate
25. In the West, the birth of a girl is welcomed with an enthusiasm _______ to that of a boy.
A. equally B. equal C. they are equal D. and equal
26. Before ________, they used horse-drawn wooden carts.
A. farmers have had tractors B. tractors owned by farmers
C. having tractors farmers D. farmers had tractors
27. You can join the club when