【TED】科普动画集锦 619 Who was the world's first author 04:56 【TED】科普动画集锦 620 Who were the Vestal Virgins, and what was their job 04:34 【TED】科普动画集锦 621 Who's at risk for colon cancer 04:44 【TED】科普动画集锦 622 Why are earthquakes so hard to predict 04:55...
难句解读(第三段最后一句)The obvious problem is thatcounting rings normally involves cutting down thetree.最明显的问题是,数年轮通常需要把树砍倒。本句是主从复合句。主句为The obviousproblem is that..; that引导表语从句。cuttingdown the tree是动名词短语作宾语。答案解析8.C细节理解题。根据第二段最后...
Theconceptofthe―gene‖hasevolvedandbecomemorecomplexsinceitwasfirstproposed.Therearevariousdefinitionsoftheterm,althoughcommoninitialdescriptionsincludetheabilitytodetermineaparticularcharacteristicofanorganismandtheheritabilityofthischaracteristic.Inparticular,thewordgenewasfirstusedbyWilhelmJohannsenin1909,basedontheconcept...
They would set down the records."First of all we can look at previous rccords, to find out4dis if a trce was growing there at a set date. Then we look of a at paintings and artwork, to scc if that tree was A. Pcople would forget the right present. And old survey maps quite ...
as it grew dark as it is was as it truns out this as its business philo as its school motto as jamie left as jealous as a turke as judged by as junli wu as leaders as light diet as like as two peans as like as two peas i as long as possible as long as the well b as lo...
It was like an organism was growing in that bed, and we were the fresh food. Both couples sensed our presence without even looking up, and suddenly extra hands were on thighs, extra kisses on my ass cheeks. What delicious foreplay! Or sixplay, rather. ...
Further, we noted that such descriptions, rooted as they are in the observable character of the organism, show no sign of being reducible to less living terms or to the language of mechanism. But this immediately raises a suspicion of vitalism in the minds of many scientists. Who, after ...
This organic matter was constantly altered on its long journey towards our planet, its final composition the product of a singular history which scientists are now attempting to reconstruct.但是这些最终进入地球海洋的碳质物质经历了一系列的变化，特定的温度、特定的事件、特定的恒星、来自太阳的特定量的...
And this fifth kingdom was sort of anything that doesn’t fit in the first four kingdom, which upset some people. 这个第五界是不属于前四个界的生物的,这使得一些人沮丧。 And then there was a question of viruses. 还有一个问题就是病毒。
What does the word " ecology" mean? It was invented by Ernst Hacckel, a German biologist. He joined two Greek words: oikos, meaning "house", and logie,meaning "the study of". Together they mean "the study of the house". The "house" Haeckel had in mind is our planet, Earth. Earth...