更多"The Brazilian part of the rainfores"的相关试题:
[填空题]The Brazilian part of the rainforest will be wiped out within the next two centuries.
[填空题]Since rainforest bacteria and trees depend on cacti other for life, the relationship they form is termed______.
[填空题]Since rainforest bacteria and trees depend on each other for life, the relationship they from is termed ______.
[填空题]Below the canopy level of a tropical rainforest grows an overabundance of plants.
[填空题]The ecosystem of the rainforest is based on the most complex interdependence of plants and animals.
[填空题]Tropical rainforest is a forest of tall trees in a region of year-round ______ and plentiful rainfall. (warm)
[填空题]In a couple of decades many species will be wiped out ______ (除非采取紧急措施).
[单项选择]Every second, 1 hectare of the world’s rainforest is destroyed. That’s equivalent to two football fields. An area the size of New York City is lost every day. In a year, that adds up to 31 million hectares—more than the land area of Poland. This alarming rate of destruction has serious consequences for the environment; scientists estimate, for example, that 137 species of plant, insect or animal become extinct every day due to logging. In British Columbia, where, since 1990, thirteen rainforest valleys have been clearcut, 142 species of salmon have already become extinct, and the habitats of grizzly bears, wolves and many other creatures are threatened. Logging, however, provides jobs, profits, taxes for the government and cheap products of all kinds for consumers, so the government is reluctant to restrict or control it.
Much of Canada’s forestry production goes towards making pulp and paper. According to the Canadian Pulp and Paper Association, Canada supplies 34% of the world’s
A. the grounds on which hemp is banned cannot be justified.
B. drug addiction is an even more serious problem of the world.
C. American Presidents can be exempt from the punishment of law.
D. marijuana is an addictive drug that should be banned worldwide.
