Deserts are often composed of ________ and rocky surfaces.. Three great stretches of sandy deserts almost circle the center of Australia.. Thanks to pictures taken by satellites, deserts
Trang 1REVIEW UNIT 9,10,11 VOCABULARY
1 Sahara of Africa is the world's largest desert
2 Deserts can be defined as areas that receive average annual precipitation of less than 250 mm
3 The Sahara contains complex linear dunes that are by almost 6 kilometers
4 A _ is a landscape or region that receives very little precipitation
5 Deserts are often composed of and rocky surfaces
6 Three great stretches of sandy deserts almost circle the center of Australia
7 Deserts are also classified by their location and dominant weather pattern
8 Thanks to pictures taken by satellites, deserts have not a mystery in our time
9 Deserts take one-third of the Earth's land surface
10 The Simpson Desert was named _ Mr Simpson, President of the South Australian Branch of the Royal Geographical Society of Australia
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?
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
16 Simpson Desert is in north of Lake Eyre
17 Cold deserts can be covered in snow or ice and frozen water is unavailable to plant life
18 In the northern part of the Simpson Desert, the dunes are separated by of low, open shrubland
19 San Francisco is built on 40 hills and some are very
stable
20 A is a small raised area of ground, like a very small hill
21 We used to climb up the crest of the hill to get a good view of the surroundings
22 To a desert is a danger activity which requires careful preparation for risks
23 Scientific help to explore some places and discover more and more remote parts of the world
24 The wind that blows in the desert comes far away waters
25 Some sand dunes may be over 200 meters height
Trang 226 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
28 Deserts have reputation for supporting very little life, but in reality deserts often have high biodiversity
29 The hill was so that it took us more than five hours to climb up
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
32 A is a large animal that lives in deserts and is used for carrying goods and people
33 The of a cliff, or mountain, is a vertical surface or side of it
34 Most deserts are enormous sandy areas
35 Camels were often used _ transportation by people of the desert
36 Camels have one or two humps used storing water and food
37 Many tall and wide mountain ranges do not let much rain get the desert
38 I wanted to go a more route across Montana
39 We often enjoy walking barefoot across the damp to the water's edge
40 If the deserts are managed, there may be troubles for scientific expeditions
41
42 is the process by which a piece of land becomes dry, empty, and unsuitable for growing trees or crops on
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
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 _
48 Probability of extinction depends _ both the population size and fine details of the
population demography
49 Many modern medicines are derived _ plants and animals
in
50 15,589 species (7,266 animal species and 8,323 plant species) are now considered _ risk _ extinction