The author mentions the extinction of the dinosaur...
Câu hỏi: The author mentions the extinction of the dinosaurs in paragraph 2 to emphasize that?
A Not all mass extinctions have been caused by human activity.
B Actions by humans could not stop the irreversible process of a species' extinction.
C Earth's climate has changed significantly since the dinosaurs' extinction.
D The cause of the dinosaurs' extinction is unknown.
Câu hỏi trên thuộc đề trắc nghiệm
Đề luyện thi THPT Quốc gia môn Anh 2019 - Đề số 20 (có video chữa)