Dinosaurs which are long and 2 meters tall. Dinosaurs which have been found in other parts of the world are as long as 30 meters, however. So this dinosaur bones (骨头) have excited 5. researchers is very small. On the other side of Antarctica, some scientists discovered dinosaur bones 6...
Dinosaurs which have been found in other parts of the world are as long as 30 meters, however. So this dinosaur 5.___ bones (骨头) have excited researchers is very small. On the other side of Antarctica, some scientists discovered dinosaur bones 6.___ accident. The second dinosaur was...
Where have fossils from the Jurassic period been found? How many species died in the Devonian extinction? How many teeth did a duck-billed dinosaur have? How many types of dinosaur raptors are there? What dinosaurs lived in the Cretaceous period? What was the oldest dinosaur? How are dinosaur...
Soft-tissue patterns on a well-preserved fossil suggest that elaborate spines helped dinosaurs to attract mates and communicate.doi:10.1038/nature.2017.22511Watson, TraciNature
BEIJING, April 13 (Xinhua) -- Scientists have confirmed that the fossilized footprints found in a restaurant in southwest China were left by long-necked dinosaurs that lived on Earth around 100 million years ago. The unprecedented discovery was made last year by a Chinese diner and soon captured...
解析 解析 考查动词的时态和主谓一致。句意为:最近,中国科学家在河南省南阳市发现了很多种恐龙骨骼。由“recently”可知,本句应用现在完成时,主语为Many kinds of dinosaurs’ bones,与find之间为被动关系,所以谓语为have been found。故填have been found。
[答案]have been found 相关知识点: 试题来源: 解析 [解析]考查动词的时态和语态。句意:最近,中国科学家在河南省南阳发现了很多种恐龙骨头。由“recently”可知,本句的时态为现在完成时,主语Many kindsof dinosaurs' bones和动词find之间是被动关系,所以用被动语态,故填have been found。 [解析]考查动词的时态和...
Dinosaurs have been extinct for about 65 million years.恐龙灭绝距今已约6,500万年。The Past Simple (I did) 一般过去时 ● When we want to indicate that something happened and ended at a specific time in the past, we use the Past Simple.● 一般过去时表示在过去的某个特定的时间发生了某事，...
Dinosaurs rapidly became extinct about 65 million years ago as part of a mass extinction known as the K-T event, because it is associated with a geological signature known as the K-T boundary, usually a thin band of sedimentation found in various parts of the world (K is the traditional ...
A tiny fragment of the asteroid that hit Earth 66 million years ago may have been found encased in amber – a discovery NASA has described as “mind-blowing.” It’s one of several astounding finds at a unique fossil site in the Hell Creek Formation in North Dakota that has preserved rem...