Australia`s cane toad problem

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题目与答案

1. Pest control

   Early 20th-century problems in Australia

   ·The larvae of a type of 1_____ were a serious pest in sugar cane fields.

   答案：beetle

   原文定位：This was a species of beetle whose larvae, the infant form of the beetle, live underground in the soil in the sugar cane fields

   同义替换：「type」↔「species」，「sugar cane fields」↔「sugar cane fields」，「larvae」↔「larvae」，「serious pest」↔「being damaged by a particular pest」

2. 10 Walter Froggatt was criticised for his efforts to stop the introduction of the cane toad to Australia.
   • TRUE
   • FALSE
   • NOT GIVEN

   答案：TRUE

   原文定位：He forecast that cane toads might become as great a pest;However, Froggatt’s views were rebuked and eminent scientists branded his views ‘decidedly pessimistic

   同义替换：「criticised」↔「rebuked」，「Walter Froggatt」↔「Walter Froggatt」，「for his efforts to stop the introduction of the cane toad」↔「He forecast that cane toads might become as great a pest」

3. 11 The average size of cane toads has increased since their introduction.
   • TRUE
   • FALSE
   • NOT GIVEN

   答案：NOT GIVEN

   原文定位：Average-sized adults are 10-15 cm long and weigh more than a kilo

   同义替换：「average size of cane toads」↔「Average‑sized adults are 10‑15 cm long and weigh more than a kilo」，「has increased since their introduction」↔「」

4. 12 Australian animals can eat cane toads safely.
   • TRUE
   • FALSE
   • NOT GIVEN

   答案：FALSE

   原文定位：it is now clear that freshwater crocodiles, goannas (large lizards) and dingoes (wild dogs) have died after eating cane toads

   同义替换：「eat cane toads safely」↔「have died after eating」

5. 13 In many places cane toads are gaining control of the habitats of Australian fauna.
   • TRUE
   • FALSE
   • NOT GIVEN

   答案：TRUE

   原文定位：As their numbers increase, they are taking over more and more of the land where native Australian fauna live

   同义替换：「gaining control of」↔「taking over more and more of」，「habitats」↔「land」，「many」↔「more and more」

6. ·Its larvae ate the 2_____ of the plant.

   答案：roots

   原文定位：The sugar cane plants were weakened or died because their roots were eaten by the larvae

   同义替换：「larvae」↔「larvae」，「ate」↔「were eaten by」，「plant」↔「sugar cane plants」

7. ·Chemical pesticides were unsatisfactory because they were:

   - poisonous

   - 3_____

   - difficult to remove from the ground

   答案：expensive

   原文定位：Chemicals like arsenic and copper were used, but these were not only expensive but also stayed in the environment and were poisonous to people, plants and animals

   同义替换：「Chemical pesticides」↔「Chemicals like arsenic and copper」，「difficult to remove from the ground」↔「stayed in the environment」，「poisonous」↔「poisonous」

8. Experiences with biological pest control

   ·The use of insects, plants and birds was widespread.

   ·In the 19th century French 4_____ used toads.

   答案：gardeners

   原文定位：For example, in 19th-century France toads were sold to gardeners at markets in Paris to eat insect pests in their gardens

   同义替换：「used」↔「were sold to」，「French」↔「France」

9. ·In Australia a 5_____ stopped the spread of prickly-pear cactus.

   答案：moth

   原文定位：For example, in 1926 there had been a highly successful prevention of the increase of the exotic prickly-pear cactus by the introduction of a moth from Argentina

   同义替换：「stopped the spread」↔「prevention of the increase」，「prickly‑pear cactus」↔「prickly‑pear cactus」

10. ·Cane toads were brought to Australia from 6_____ .

    答案：Hawaii

    原文定位：In 1935, an Australian entomologist brought 101 cane toads from Hawaii and released them in sugar cane plantations in the north of Australia

11. ·Cane toads proved to be a 7_____ as pest control.

    答案：failure

    原文定位：However, over the following years it became clear that the cane toads were a failure

    同义替换：「proved to be」↔「became clear that」，「Cane toads」↔「cane toads」，「pest control」↔「biological control」

12. 8 The outcome of the introduction of cane toads was immediately obvious.
    • TRUE
    • FALSE
    • NOT GIVEN

    答案：FALSE

    原文定位：However, over the following years it became clear that the cane toads were a failure

    同义替换：「The outcome of the introduction of cane toads」↔「the cane toads were a failure」，「immediately obvious」↔「over the following years it became clear」

13. 9 Rabbits were introduced to Australia to control weeds.
    • TRUE
    • FALSE
    • NOT GIVEN

    答案：NOT GIVEN

    同义替换：「Rabbits」↔「」，「introduced to Australia」↔「」，「control weeds」↔「」