2018年海南成人高考高起專《英語》模擬題及答案(7)

　　A world like no other- perhaps this is the best way to desribe the world of the ranforest.No ranforest is the same yet most ranforests can be found in the small land area 22.5 degrees north and 22.5 degrees south of the Equator ( di). You can find

　　rinforests ind South America and Indonesia. Other ranforests exist furher from the Equator, in Thailand and Sri Lanka.

　　Rainforests havea great role to play in supporing the world. They are home to a rich variety of plants, birds and animals. Can you believe that 480 varieties of trees may be foundin just one hectare (21) of rainforest? These forests have around 50% of all the plants,birds and animals on Earth.

　　Rainforests have their own perfect way for living, The tall trees make a huge umbrella ofbranches and leaves which protect themselves, smaller plants, and the forest animals fromheavy rain, dry heat from the sun and strong winds. Rainforest

　　trees grow in such a way thattheir leaves and branches , although close together,|

　　never actually touch those of another tree.Scientists think this is a way to prevent the spread of any tree diseases and make life moredifficult for leaf-eating insects ( E). To live in the forest, animals must climb, jump, or flyacross the branches and

　　trees. The ground floor of the forest is not llleaves and bushes, likein films, but is actually fairly elear. It is where leaves become food for the trees and otherforestLife.

　　Rainforests, around the world are disappearing at a high speed. A few thousand years ago,rainforests covered as much as 12% of the land surface on Earth, but today

　　this has fallen toless than 5.3% . We hope that the world govemments work together with scientists to use theirpower and knowledge to keep the rainforests for our,existence.

　　43. According to the text, we can find rainforests in.

　　A. Britain B. Canada C. Thailand D.U.S.A.

　　44. Why are rainforests important to the world?

　　A. They are home to various kinds of plants and anmals.

　　B. They can lower the temperature around the Equator.

　　C. They can provide food for dfferent kinds of insects.

　　D. They produce the best wood for house building.

　　45. What can be seen in a rainforest according to the text?

　　A. The ground fioor is all covered by leaves and branches.

　　B. Tree diseases make life more difficult for leaf-eating insects.

　　C. Tall trees protect themselves from forest animals with their branches.

　　D. Leaves and branches of a tree never actually touch those of the other trees.

　　46. How much of the land surface on Earth is covered by rainforests?

　　A. Less than 5.3% .

　　B. Nearly 12% .

　　C. More than 50% .

　　D. Around 22.5%.

　　43.C

　　44.A

　　45.D

　　46.A

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