As climate in North America continues to become warmer and drier through the 21st century, a new study finds that fire may be playing an increasingly important role in shaping the climate of the boreal regions of Canada. Forest fires change the amount of shortwave radiation absorbed by Earth's...
根据第二段中的 Around 80% of forest fires in the United States are caused by humans. 可知,在美国80%的森林火灾是由人类引起的。 2.A 推理判断题。 根据第三段中的 The temperature (how hot it is)and humidity (how dry the air is) will also influence how well the fire will spread.可知,...
We have always been warned of the dangers of forest fires. They cause to a forest. They kill many plants and animals in an ecosystem(生态系统), which is a group of living things and their environment. But have you ever heard of a forest fire that can be for a forest? People start ...
完形填空 We have always been warned of the dangers of forest fires.They cause 1 to a forest.They kill many plants and animals in an eco-system, which is a group of living things and their environment.But have you ever heard of a forest fire that can
We have always been warned of the dangers of forest fires. They cause ___ 85 ___ to a forest. They kill many plants and animals in an eco-system, which is a group of living things and their environment. But have you ever heard of a forest fire that can be ___86___ for a fo...
MOSCOW, Aug. 21 (Xinhua) -- The damage from forest fires in Russia since the start of this year has reached 7 billion rubles (105 million U.S. dollars), said Mikhail Klinov, acting head of the Russian Federal Forestry Agency on Wednesday. ...
We have always been warned of the dangers of forest fires. They cause 85 to a forest. They kill many plants and animals in an eco-system,which is a group of living things and their environment. But have you ever heard of a forest fire that can be 86 for a forest?People start some...
We have always been warned of the dangers of forest fires. They cause damage to a forest. They kill many plants and animals in an eco-system. But have you ever heard of a forest fire that can be helpful for a forest? People start some of the fires with a special reason to actually...
1.We have always been warned of the dangers of the forest fires. They cause1to a forest. They kill many plants and animals in an eco-system, which is a group of living things and their environment. But have you ever heard of a forest fire that can be2for a forest?
Choose the words or expressions and complete the passage (选择最恰当的单词或词语,完成短文)1.We have always been warned of the dangers of the forest fires. They cause1to a forest. They kill many plants and animals in an eco-system, wh