REVIEW VOCABULARY UNIT 9,10,11 VA DAP AN

REVIEW UNIT 9,10,11 VOCABULARY 1. ________ Sahara of ________ Africa is the world's largest desert. a. Ø / the b. The / Ø c. A / an d. The / an 2. Deserts can be defined as areas that receive ________ average annual precipitation of less than 250 mm. a. a b. an c. the d. Ø 3. The Sahara contains complex linear dunes that are ________ by almost 6 kilometers. a. developed b. separated c. lay d. located 4. A _______ is a landscape or region that receives very little precipitation. a. dune b. desert c. sandy area d. shrub land 5. Deserts are often composed of ________ and rocky surfaces. a. water b. trees c. oil d. sand 6. Three great stretches of sandy deserts almost circle the center of Australia. a. dunes b. valleys c. lands d. areas 7. Deserts are also classified by their ________ location and dominant weather pattern. a. geographical b. aerial c. sandy d. facial 8. Thanks to pictures taken by satellites, deserts have not ________ a mystery in our time. a. hidden b. intended c. remained d. attained 9. Deserts take ________ one-third of the Earth's land surface. a. up b. on c. over d. after 10. The Simpson Desert was named _______ Mr. Simpson, President of the South Australian Branch of the Royal Geographical Society of Australia. a. with b. at c. after d. for 11. In 1953, Peveril Meigs divided desert regions ________ Earth ________ categories according to the amount of precipitation they received. a. through / in b. from / with c. on / into d. in / for 12. More and more ________ are very excited at discovering as many interesting things in the deserts as possible. a. explores b. explorations c. explorers d. exploratory 13. Can you make a ________ estimate of how much our expedition in the desert may be? a. rough b. roughly c. roughing d. roughen 14. After Peter had returned from the Sahara desert, he was confined to bed by a ________ disease. a. mystery b. mysterious c. mysteriously d. mysteriousness 15. I want to work as an interpreter in the future, ________, I am studying Russian at university. a. but b. so c. however d. therefore 16. Simpson Desert is in ________ north of ________ Lake Eyre. a. Ø / Ø b. the / the c. a / the d. the / Ø 17. Cold deserts can be covered in ________ snow or ice and frozen water is unavailable to plant life. a. a b. an c. the d. Ø 18. In the northern part of the Simpson Desert, the dunes are separated by ________ of low, open shrubland. a. streets b. ways c. corridors d. lines 19. San Francisco is built on 40 hills and some are very ________. a. short b. steep c. plain d. stable 20. A ________ is a small raised area of ground, like a very small hill. a. slope b. hummock c. dune d. shrub 21. We used to climb up the crest of the hill to get a good view of the surroundings. a. top b. foot c. middle d. face 22. To ________ a desert is a danger activity which requires careful preparation for risks. a. comprise b. circle c. remain d. explore 23. Scientific ________ help to explore some places and discover more and more remote parts of the world. a. survey b. lead c. research d. expedition 24. The wind that blows in the desert comes ________ far away waters. a. for b. with c. in d. from 25. Some sand dunes may be over 200 meters ________ height. a. with b. at c. on d. in 26. If you look on a map you will see that there is a desert next ________ the Rocky Mountains in the United States. 27. ____ sand covers only about 20 percent of Earth's deserts. a. A b. An c. The d. Ø 28. Deserts have ________ reputation for supporting very little life, but in ________ reality deserts often have high biodiversity. a. a / Ø b. the / the c. a / the d. the / a 29. The hill was so ________ that it took us more than five hours to climb up. a. sloping b. enormous c. arid d. stable 30. In the northern part of the Simpson Desert, the dunes are parallel. a. mysterious b. steep c. plenty of sand d. similar in some ways 31. Several deserts are a quite vast and uninhabited ________. a. plain b. territory c. corridor d. shrub 32. A ________ is a large animal that lives in deserts and is used for carrying goods and people. a. slope b. dune c. spinifex d. camel 33. The ________ of a cliff, or mountain, is a vertical surface or side of it. a. face b. border c. crest d. lake 34. Most deserts are enormous sandy areas. a. mysterious b. narrow c. immense d. aerial 35. Camels were often used _______ transportation by people of the desert. a. as b. with c. to d. about 36. Camels have one or two humps used ________ storing water and food. a. to b. for c. over d. at 37. Many tall and wide mountain ranges do not let much rain get ________ the desert. a. into b. away c. out d. from 38. I wanted to go a more ________ route across Montana. a. north b. northerly c. northerner d. northernmost 39. We often enjoy walking barefoot across the damp __ to the water's edge. a. sand b. sanding c. sandy d. sandily 40. If the deserts are ________ managed, there may be troubles for scientific expeditions. a. loose b. loosen c. loosening d. loosely 41. a. of b. to c. with d. for 42. ________ is the process by which a piece of land becomes dry, empty, and unsuitable for growing trees or crops on. a. desert b. deserted c. desertify d. desertification 43. Several ________ advanced countries have had plans to make desert more hospitable. a. science b. scientific c. scientifically d. scientist 44. The desert biome includes the hottest places in the world because it absorbs more ________ from the sun than land in humid climates do. a. heat b. hot c. hotly d. heating 45. ___ 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 46. A / an _______ species is a population of an organism which is at risk of becoming extinct. a. dangerous b. endanger c. endangered d. endangerment 47. 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 48. Probability of extinction depends _______ both the population size and fine details of the population demography. a. on b. in c. from d. for 49. Many modern medicines are derived _______ plants and animals. a. on b. for c. from d. in 50. 15,589 species (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 . Biologically 46. A / an _______ species is a population of an organism which is at risk of becoming extinct. a. dangerous b. endanger c. endangered d. endangerment 47. Only a few of the many species at. REVIEW UNIT 9,10,11 VOCABULARY 1. ________ Sahara of ________ Africa is the world's largest desert. a. Ø / the b. The / Ø c. A / an d. The / an 2. Deserts can be defined as. b. in c. from d. for 49. Many modern medicines are derived _______ plants and animals. a. on b. for c. from d. in 50. 15,589 species (7,266 animal species and 8,323 plant species) are now considered