the natural environment where an animal or a plant usually lives or grows
100
be alert to something
be aware of problems or possible danger
100
據說如果蜜蜂滅絕的話，人類活不過四年。
It is said that if bees become extinct, humans will have no more than four years to live.
100
Food shortages will ____ if crop yields falls.
(A) rise
(B) raise
(C) arise
(D) arouse
C
100
Since when has there been a steep decline of bee population?
1970s.
200
What is "contribute"?
To help make something happen
200
refer to ... as ...
to call something or someone as another thing or person
200
要不是現在有蜜蜂，大部分的植物都無法授粉。(倒裝句)
Were it not for bees, most plants would not be able to be fertilized.
200
Human activities have destroyed the habitats of animals and plants, ____ is the natural habitat of bees.
(A) one of them
(B) one of which
(C) one of whom
(D) and one of them
B
200
When is the Great Famine in Ireland?
In the 19th century.
300
What is "feasible"?
(an idea, a method, a plan, etc.) able to be put into practice
300
to an extent
to an degree / level
300
地球上所有的生物都有很重要的角色要扮演。
All the species on Earth have important roles to play.
300
____ that a worker bee can fly among at least 5,000 flowers a day.
(A) Little they know
(B) Little do they know
(C) Do they know little
(D) They know do little
B
300
What are the 2 consequences of the Great Famine in Ireland?
About one million people died and another million were forced to emigrate.
400
What is "resistant"?
Not affected or harmed by something
400
can't compare
be beyond compare
400
一個生態系統中的生物多樣性越堤，物種的基因庫就越小。
The poorer the biodiversity is in an ecosystem, the smaller the gene pool will be.
400
A worker been fly among flowers, with more than ten thousand pollen grains ____ to its body hair.
(A) attach
(B) attaching
(C) attached
(D) are attached
C
400
Define ecosystem.
Various species, together with the environment they live in, form an ecosystem.
500
What is "flourish"?
to grow well and to thrive
500
bring about
cause, give rise to, result in, contribute to, lead to
500
要是當時愛爾蘭人有引進其他馬鈴薯品種，這個災難就不會那麼嚴重了。（倒裝）
Had the Irish introduced other potato species, the disease would have been much less grave.
500
Poor biodiversity will lead to low genetic diversity and reduce the biological fitness of a species, ____ a greater chance of extinction.
(A) thus bringing about
(B) thus brought about
(C) and thus brings about
(C) thus to bring about
A
500
What is the main idea of the lesson?
Biodiversity is important so we need to conserve the endangered species.