Dinosaurs were reptiles that lived during a period of earth’s history called the Mesozoic Era, which is known as the Age of Reptiles. The first dinosaurs appeared more than 200 million years ago. For many millions of years, they dominated the land with their huge size and strength. Then about 65 million years ago, they died out rather suddenly, never to reemerge. The word dinosaur comes from two Greek words meaning “terrible lizard”. Dinosaurs were not lizards, but their appearance could be ...
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07/09 17:57:08 (Tiếng Anh - Lớp 12) |
Dinosaurs were reptiles that lived during a period of earth’s history called the Mesozoic Era, which is known as the Age of Reptiles. The first dinosaurs appeared more than 200 million years ago. For many millions of years, they dominated the land with their huge size and strength. Then about 65 million years ago, they died out rather suddenly, never to reemerge.
The word dinosaur comes from two Greek words meaning “terrible lizard”. Dinosaurs were not lizards, but their appearance could be truly terrifying. The biggest ones weighed more than ten times as much as a mature elephant and nearly equaled the size of most modern-day whales. The famous kinds of dinosaurs, including the brontosaur and tyrannosaurus, reached 80 to 90 feet in length. Not all dinosaurs were giants, however, some were actually no larger than a chicken.
Scientists still do not know what caused dinosaurs to disappear. One theory involves a change in the earth’s climate. It is believed that temperature dropped significantly towards the end of the Cretaceous Period. Too large to hibernate and not having fur or feathers for
protection, it is possible that the climate became too chilly for dinosaurs. In contrast, other species having protection, such as the mammals and birds, were able to survive.
Dịch bài đọc:
Khủng long là loài bò sát sống trong suốt thời kỳ lịch sử Trái Đất có tên là Kỷ Đại Trung Sinh, được biết đến như Kỷ nguyên bò sát. Những con khủng long đầu tiên xuất hiện vào hơn 200 triệu năm trước. Trong hàng triệu năm, chúng đã thống trị mặt đất bằng kích thước khổng lồ và sức mạnh của mình. Sau đó vào khoảng 65 triệu năm trước, chúng đã biến mất hoàn toàn một cách khá đột ngột, và không bao giờ tái xuất.
Từ khủng long bắt nguồn từ hai từ Hi Lạp có nghĩa là "thằn lằn đáng sợ". Khủng long không phải thằn lằn, nhưng ngoại hình của chúng có thể thật sự đáng ghê sợ. Những con lớn nhất nặng gấp hơn 10 lần so với một con voi trưởng thành và gần tương đương kích thước của những con cá voi thời nay. Những loài khủng long nổi tiếng, bao gồm Thằn lằn sấm và Khủng long bạo chúa, cao từ 80 đến 90 feet. Tuy nhiên, không phải tất cả khủng long đều khổng lồ, một số thật ra không lớn hơn một con gà.
Các nhà khoa học không biết điều gì đã khiến khủng long biến mất. Một giả thuyết liên quan đến sự biến đổi khí hậu của Trái Đất. Người ta tin rằng nhiệt đổ đã giảm đáng kể trước Kỷ Phấn trắng. Chúng quá lớn để ngủ đông và không có lông hoặc lông vũ để bảo vệ, có thể khí hậu đã trở nên quá lạnh đối với khủng long. Trái lại, các loài khác có sự bảo vệ, chẳng hạn như thú và chim, có thể sống sót.
The word “chilly” in the passage refers to ________.
Lựa chọn một trả lời để xem Đáp án chính xác Báo sai đáp án hoặc câu hỏi |
A. extremely cold 0 % | 0 phiếu |
B. very cool 0 % | 0 phiếu |
C. humid 0 % | 0 phiếu |
D. very hot 0 % | 0 phiếu |
Tổng cộng: | 0 trả lời |
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