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【多选题】
Protect biodiversity is important since it __________. ()
A.
helps to maintain the productivity of the ecosystem
B.
supports food security
C.
helps humans adapt to climate change
D.
provides important resources for medicine
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参考答案：
参考解析：
刷刷题刷刷变学霸
举一反三
【单选题】下列说法不正确的是( )。
A.
广义的营运资本,也称总营运资本
B.
狭义的营运资本也称为净营运资本
C.
总营运资本=流动资产-流动负债
D.
狭义的营运资本也称营运资本净额
【多选题】What causes the decrease of biodiversity?()
A.
Soil erosion
B.
Urbanization
C.
Habitant lost
D.
Globalwarming
【多选题】Biodiversity includes __________. ()
A.
ecosystem diversity
B.
species diversity
C.
genetic diversity
D.
Cultral diversity
【单选题】China harbors nearly __________of all plant species on earth.()
A.
10%
B.
14%
C.
20%
D.
5%
【多选题】Biodiversity surveys and monitoring could help to__________()
A.
establish baseline data on biodiversity
B.
grasp the trends of dynamic changes
C.
identify major threat factors
D.
analyze the effectiveness of conservation
【单选题】Yellow river originated from __________ province. ()
A.
Qinghai
B.
Xinjiang
C.
Shaanxi
D.
Gansu