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A．Y
B．N
C．NG
答案
更多“The ecosystem of the rainforest is based on the most complex interdependence of plants and”相关的问题
第1题
Frogs are important in the ecosystem because they control pests.
A．Y
B．N
C．NG
第2题
The aim to create Everglades National Park was to______.
A．protect the local ecosystem from damage
B．build the largest tropical wilderness
C．combine the nine parks that already existed
D．shelter migratory birds from North America
第4题
A．drastic measures
B．the ecological effects
C．the marine ecosystem
D．possible rising unemployment
第5题
The massive investment put into the constructing huge draggers resulted in ______.
A．more economic disaster areas in Newfoundland
B．the recovery of the marine ecosystem
C．the improvement of fishing practices
D．the devastating fishing
第6题
第7题
What is said about the spill occurring far below the sea？
A．It resulted in the death of birds that feed on fish.
B．It is a threat to the whole ecosystem there.
C．It is less harmful than the spill on the surface.
D．It is easy to assess the likely impacts.
第8题
What does the second paragraph tell us？
A．Environmental pollution may have far-reaching consequences.
B．Any or all of these ecosystem functions may be impaired or destroyed by pollution.
C．Ecosystems perform. many important services for the earth's environment.
D．Pollution also has a great influence on natural resources.
第9题
What have the researchers discovered in the Arctic？
A．The ice and cold water in the region contain banned toxic chemicals.
B．Poisons stored in the region are leaking out due to global warming.
C．The amount of toxic chemicals in the region could destroy all mankind.
D．The ecosystem in the region has been changed by rising temperatures.
第10题
A．Ant cemeteries exhibit elements of activation but not inhibition, a proposition formerly questioned by Turing's theory.
B．Ant cemeteries exhibit Turing patterns in the absence of the predator-prey system.
C．Ant cemeteries involve self-amplification activation, as opposed to amplification from outside sources.
D．Ants are considered a higher organism, in which Turing patterns have never previously been established.
E．Turing's theory has only explained the distribution of ants across the ecosystem, until now.
