In the following pair of sentences, sentence a is more formal.
a) Because of overcrowding, cities around the world today are suffering from more and more environmental problems like air, water and noise pollution.
b) As a result of overcrowding, cities throughout the world today are increasingly prone to such environmental problems as air, water and noise pollution.
A、正确
B、错误
雅思写作
章节列表
01 A Brief Introduction to IELTS Writing and DIction (Lexial Resource)3302 Sentence Writing Skills (Grammatical Range and Accuracy)3603 Sentence Writing Skills (Grammatical Range and Accuracy)1104 A Brief Introduction to IELTS Writing Task 21605 IELTS Writing Task21006 IELTS WritingTask22009 IELTS Writing Task21110 IELTS Writing Task 11311 IELTS Writing Task 11612 IELTS Writing Task 112