WS 048L4

WS 048L4-托您的福
WS 048L4
WS 048L4
5
限时特惠
19
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L4

讲座

1. What does the professor mainly discuss

The effects of agriculture on early human societies

The benefits of domesticating wheat plants

Evidence about the earliest domestication of plants

Archaeological evidence about where wild wheat was first cultivated

2. Why does the professor describe some characteristics of wild wheat plants

To show one reason why humans began to domesticate plants

To illustrate how ancient people made flour

To explain why the spikelets of wild wheat do not fall off the stalk

To show that wild plants are less nutritious than domesticated plants

3. Why does the professor mention a computer model that was based on cultivation experiments

To show the advantages of computer simulations for answering complex problems

To show the difficulties of determining the age of spikelets found at archaeological sites

To explain how the cultivation of crops can result in genetic changes

To explain the claim that the domestication of crops was a short process

4. According to the professor, what did the spikelet samples found at a site in Turkey reveal(多选题)

People were cultivating wheat during the last ice age.

Wild and domesticated wheat were grown together there.

The wheat was primarily gathered from the ground.

The transition to full domestication was slower than previously thought.

5. According to the professor, what are two possible explanations for the rise of agriculture(多选题)

The invention of tools for grinding seeds

The beginnings of a milder global climate

The fertility of the soil in two particular regions

The changing social behavior of hunter-gatherers

6. What does the professor imply when she says this:[暂无重听录音]

She wants to correct a statement she made earlier.

She wants the student to guess the correct answer.

The assumption is no longer considered correct.

The student needs to clarify his question.

 

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