句意:几百万年前,恐龙灭绝了。appear意为“出现”,是一个动词。根据句意和常识可知,这里说恐龙“消失了”,因此这里应填appear的反义词disappear;由句中的“Millions of years ago”可知,该句应用一般过去时,动词用过去式。故填disappeared。反馈 收藏
Millionsofyearsago,dinosaurs(龙)controlledtheearth.Andthereweredifferenttypesofdinosaursontheearth.Someofthemwerenobiggerthanchickens,butallofthemhadverysmallbrains(大脑).Lateron,thereweren'tanydinosaurs.Whathappenedtothem?Inthedaysofdinosaurs,thewholeearthwaswarmandwet.Thereweremanygreenforests.Buttheearthchang...
Millions of years ago, dinosaurs (恐龙) lived on earth. At that time, the whole earth was warm and wet. There were green forests and they could find enough to eat. Gradually (渐地),parts of the earth became cold and dry and the forests there died.Then dinosaurs could not find enough...
根据“In the days of dinosaurs, the whole earth was warm and wet.”可知,在恐龙控制地球的时代,整个地球是温暖潮湿的。故选B。 (2)题详解: 词义猜测题。根据“But the earth changed slowly all the time. When parts of the earth became cold and dry, the forests there died.”可知,恐龙时代的...
(1). Millions of years ago. 【解析】 对于此类细节理解题,我们要注意从原文出发,在原文中寻找答案. 此小题可以从文中的"Millions of years ago dinosaurs lived on the earth."得到答案. (2). warm and wet. 【解析】 对于此类细节理解题,我们要注意从原文出发,在原文中寻找答案. 此小题可以从文...
Millions of years ago dinosaurs (恐龙) lived on the earth. In thedays of dinosaurs the whole earth was warm and wet. There were green forestsand they could find enough to eat. Later, parts of the earth became cold anddry. and the forests there died. Then dinosaurs could not find enough...
(1)由句子Millions of years ago, dinosaurs lived on the Earth.可知这题选C.故答案为:C. (2)由句子This must be one reason why dinosaurs died out(灭绝).可知这题选A.故答案为:A. (3)由句子We now know that dinosaurs were of many sizes and shapes.可知这里要选B.故答案为:B. (4)由句子Sc...
Millions of years ago dinosaurs(恐龙)lived on the earth.In the days of dinosaurs the whole earth was warm and wet.There were green forests and they could find enough to eat.Later,parts of the earth became cold and dry,and the forests there died.Then dinosaurs could not find enough to ea...
. All dinosaurs had very small brains. . Different kinds of dinosaurs were on the earth. . Millions of years ago dinosaurs controlled the earth. . New kinds of animals came to the earth and killed dinosaurs.( )59. What can we learn from this passage? . Dinosaurs are not strong. . ...
Millions of years ago,dinosaurs (恐龙) ruled the earth.Dinosaurs were of many sizes and shapes.Some of them were no bigger than chickens,and all of them had very small brains (大脑).But later on,there have been no dinosaurs.What happened to them? In the days of dinosaurs,the whole eart...