Invasive species（机经听写）

题目与答案

1. Background

   Though they are beautiful, some invasive species can take over a 31_____ .

   答案：garden

   原文定位：these species can take over a garden

2. Reasons

   - berries of some plants are often eaten them all over the world

   - besides birds, 32_____ also spread them all over the world

   答案：humans

   原文定位：humans are the primary cause of the spread of invasive species

   同义替换：「all over the world」↔「widely」

3. Examples

   - in the western US, the common Broom is originally from 33_____

   答案：Europe

   原文定位：The first one is common broom;It comes from Europe

   同义替换：「originally from」↔「comes from」

4. - this species affect the economy like the 34_____ industry

   答案：timber

   原文定位：its spread has left negative effects on the industry of timber

   同义替换：「affect the economy」↔「left negative effects on」

5. - to deal with the problem, biologists try biological control by using 35_____

   答案：insects

   原文定位：Nowadays, biologists are making efforts to manage it with some species of pairs

   同义替换：「biological control」↔「manage it with」，「by using」↔「with」

6. - in 1875, Japanese Barberry was imported to the US from 36_____

   答案：Russia

   原文定位：It is transported from Russia before 1900

   同义替换：「imported」↔「transported」

7. - this beautiful species have yellow-colored 37_____ beneath its bark

   答案：tissues

   原文定位：It has yellow;colored tissues beneath its bark;

   同义替换：「beneath」↔「under」

8. - the leaves of the common Buckthorn grow in 38_____ on the stem

   答案：pairs

   原文定位：The leaves of the common Buckthorn grow in pairs on the stem

9. - it functions as an ornamental bush

   - spread media: berries eaten by birds is the main 39_____ pattern

   答案：migration

   原文定位：It is spread widely due to the diet and migration patterns of the robin

10. - medicinal application: treat serious 40_____ problems

    答案：digestive

    原文定位：it has medicinal functions for digestive problems

    同义替换：「application」↔「functions」，「treat」↔「for」