23 -- 1:08 App 托福阅读真题第58篇The Most Common Bird on Earth 18 -- 1:30 App 托福阅读真题第57篇Extinction and the Mammoth Steppe 7 -- 1:35 App 托福阅读真题第53篇Sequencing Ice Ages 10 -- 1:32 App 托福阅读真题第52篇Beaks of Darwin' Finches 4 -- 1:22 App 托福阅读真题第...
4.According to the professor, what activities associated with the beginnings of agriculture may have slowed or prevented the onset of a predicted ice age?[Click on two answers.] A. The clearing of trees B. The burning of fossil fuels ...
The Origins of Agriculture At one time, researchers believed there was a clear "wave of advance"of agriculture through Europe between 8,000 and 6,000 years ago. And it may seem easy to explain such a sudden and thorough transition from foraging (depending primarily on wild foods) to agricult...
托福阅读真题第61篇TheOriginsofAgriculture At one time, researchers believed there was a clear "wave of advance"of agriculture through Europe between 8,000 and 6,000 years ago. And it may seem easy to explain such a sudden and thorough transition from foraging (depending primarily on wild foods...
Changing from hunting and gathering to agriculture had no immediate advantages. To start with, it forced the population to abandon the nomad's life and became sedentary, to develop methods of storage and, often, systems of irrigation. While hunter-gatherers always had the option of moving elsewhe...
修辞目的题,先读例子所在的一句话,说地球以前也有气候变化,但农业却没发展。由于整个句子都是例子,...
The Origins of Agriculture How did it come about that farming developed independently in a number of world centers (the Southeast Asian mainland, Southwest Asia, Central America, lowland and highland South America, and equatorial Africa) at more or less the same time? Agriculture developed slowly ...
托福阅读真题第17篇Origins of the Industrial Revolution 02:36 托福阅读真题第15篇The Beginning of Planet Formation 02:29 TF101-Determining the Ages of the Planets and the Universe 00:53 TF102-Alaska and Bark Beetles 00:49 TF110-Historical Trends in European Urban Design ...
托福考试 复习托福阅读TPO21(试题+答案+译文)第2篇:TheOriginsofAgriculture托福阅读原文【1】Howdiditcomeaboutthatfarmingdevelopedindependentlyinanumberofworldcenters(theSoutheastAsianmainland,SouthwestAsia,CentralAmerica,lowlandandhighlandSouthAmerica,andequatorialAfrica)atmoreorlessthesametime?Agriculturedevelopedslowly...
托福阅读句子简化题:The Origins of Agriculture 【Paragraph 3】Climatic changes at the end of the glacial period 13,000 years ago have been proposed to account for the emergence of farming. The temperature increased dramatically in a short period of time (years rather than centuries), allowing for...