19. Mass extinction is caused by hunting, habitat loss, and pollution.单 的意思是? A. most B. huge C. common 相关知识点: 试题来源: 解析 【答案】 B 【解析】 【详解】考查单词意思。句意:大规模灭绝是由狩猎、栖息地丧失和污染造成的。 A.most大多数的; B.huge巨大的;极多的;C.common普遍...
试题来源: 解析 【答案】A【核心短语/词汇】mass extinction: 大灭绝【翻译】大灭绝是由猎杀,栖息地丧失和污染引起的。【解析】A项”巨大的“;B项”大多数的,大部分的“;C项”常见的,普通的“。根据句意,mass为”大量的,巨大的“,故排除B,C项,故答案为A. ...
In the end,however,the data indicate that the world is heading cruelly towards a mass extinction-which is defined as one involving a loss of 75% of species or more.This could arrive in less than a hundred years or could take a thousand,depending on extinction rates. ...
A mass extinction theory without asteroids. (tropical rain forests)Lewin, Roger
area transformation area under crops area weighted average a reciation are defined as follow are extremely liquid areg arehouse areia branca areic region are my close friends arena arenacea arenacea sandy forami arenaceous arenaceous foraminife arenaceous quartz arenaceous rock arenaceous shale...
相关知识点: 试题来源: 解析 B 【详解】 考查单词意思。句意:大规模灭绝是由狩猎、栖息地丧失和污染造成的。A.most大多数的; B.huge 巨大的;极多的;C.common普遍的;常见的。根据句意可知此处的mass意为“大量的”,与B项huge意思相近。故选B项。反馈 收藏 ...
A Fossils. B. Stos. C. Forests. D. Oceans. 相关知识点: 试题来源: 解析 A【答案】A【核心短语/词汇】fossil:化石【翻译】下列哪项是大规模灭绝的证据?【解析】A化石;B石头;C森林;D海洋。根据常识可知,化石是大规模灭绝的证据,故选A。 反馈 收藏 ...
atomic weight- average mass of atoms of an element. atmosphere- surrounding gases, such as the gases surrounding a planet that are held in place by gravity. ATP- ATP is the acronym for the molecule adenosine triphosphate. Aufbau principle- idea that electrons are added to orbitals as protons ...
Global climate change driven by soot at the K-Pg boundary as the cause of the mass extinction The mass extinction of life 66 million years ago at the Cretaceous/Paleogene boundary, marked by the extinctions of dinosaurs and shallow marine organisms, is important because it led to the macroevolu...
If a sixth mass extinction occurs, scientists who have studied the issue believe .(根据句意填空) 相关知识点: 试题来源: 解析 that up to three quarters of all species on Earth could die out 【详解】 考查宾语从句及分数。句意:研究这个问题的科学家们认为,如果发生第六次物种大灭绝,地球上多达四...