任务二: 句子练习
很多表达都是关于原因和结果的，这种cause-and-effect类型的句子有多种表达方式。
1.Because + 从句
Because mangrove swamps have been damaged, many unique species are now endangered.
Many unique species are now endangered because mangrove swaps have been damaged.
2.Because of + 名词短语
Because of damage to mangrove swamps, many unique species are now endangered.
3.Due to (放在后面，不放前面)
Many unique species are now endangered due to damage to mangrove swamps.
4.Therefore/consequently/as a result + 句子
Mangrove swamps have been damaged; therefore, many unique species are now endangered.
5.so
Mangrove swamps have been damaged, so many unique species are now endangered.
6.so+ that + clause (结果状语从句，后面的从句是前面的结果)
Mangrove swamps have been so damaged that many unique species are now endangered.
The artifacts were so valuable that anthropologists from several universities came to study them.
请根据括号里的词改写下面的句子:
1. Land has been farmed so intensively that there has been a significant decline in biodiversity. (Contribute to)
Intensive farming
2. Loss of vegetation has caused a decline in the insect population. (consequently)
Vegetation
3. Because there are fewer insects, the small animals that feed on them have moved elsewhere. (so)
There are
4.The disappearance of prey species has resulted in a marked reduction in numbers of predators such as wild cats and owls. (because of)
There has been
第24天句子改写答案
1. Land has been farmed so intensively that there has been a significant decline in biodiversity. (Contribute to)
Intensive farming has contributed to a significant decline in biodiversity.
2. Loss of vegetation has caused a decline in the insect population. (consequently)
Vegetation has been lost; consequently, the insect population has declined.
3. Because there are fewer insects, the small animals that feed on them have moved elsewhere. (so)
There are fewer insects, so the small animals that feed on them have moved elsewhere.
4.The disappearance of prey species has resulted in a marked reduction in numbers of predators such as wild cats and owls. (because of)
There has been a marked reduction in numbers of predators such as wild cats and owls because of the disappearance of prey species.