句子结构
from A it is deduced that B
结构来源
From this evidence it was deduced that there had been three major waves of migration across the Bering Strait.
[译] 从这些事实中我们推断：主要有三次横穿白令海峡的移民浪潮。
*此句出自雅思阅读文章。
结构解析
此结构可表达“从A中我们推断出B这一结论”的意思，这里A是某个名词性成分，B是一个完整的句子。在学习这个结构的时候可以联想一些类似的句型结构，例如A draw a conclusion from B: C。我们在作文中常常由一个论据推倒出某个结论，我们可以尽量变换结构表达这类意思。
句子结构
A is destroyed as a result of B
结构来源
Those pagodas that have disappeared were destroyed by fire as a result of lightning or civil war.
[译] 那些已经消失了的宝塔是被闪电或内战造成的大火摧毁的。
*此句出自雅思阅读文章。
结构解析
此结构可表达“A是由于B而被毁掉的”的意思，A和B都是一个名词性成分。这个结构可以用于说明一种因果关系，B是因，A被毁掉是结果。作文中常常需要表示某种污染物导致环境被破坏，或者人们的某些行为活动导致某事物被毁，我们都可以用这个结构来表达。
模仿使用
Many old buildings are destroyed as a result of the construction of the new ones.
[译] 很多古老的建筑由于新建筑的建立而被毁。
适用题目举例
IELTS Writing 9
Some people think that cultural traditions may be destroyed when they are used as money-making attractions aimed at tourists. Others believe it is the only way to save these traditions. Discuss on both sides and give your opinion.
