Grammar

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1. what disadvantage did he experience when he first start the research?

....the was bluery.

2. To be unanimous(一致的 一致同意的) in doing something means....too be fully in agreement about it.

3. similar meaning:  

epidemic：流行的  极为盛行的 流行病 蔓延

indigenous: 当地的 本土的 土生土长的

ingenious： 精巧的 心灵手巧的 独特的

native： 出生地的 当地的 土著的

immigrant：移民 外侨

4. 选词填空

As a boy in Lima, my grandfather told me a legend of the Spanish conquest of Peru. Atahualpa(阿塔瓦尔帕 印加第十三代皇帝), the emperor of Inca, had been captured and killed.

Pizarro (美[pɪˈzɑroʊ]法兰西斯克 皮泽洛) and his conquistadors(英[kɒnˈkwɪstədɔːz]16世纪侵占西班牙和秘鲁的西班牙征服者) had grown rich, and tales of their conquest of glory had reached Spain and were bringing new waves of Spaniards(英[ˈspænjədz]西班牙人), hungry for gold and glory. They would go into towns and ask the Inca," where's another civilization we can conquer? Where's more gold?

5. 排序

1) My goal is to ensure that whoever controls this land understands the boiling river's uniqueness and significance.

2) Because that's the question, one of significance.

3) And the thing there is, we define significance. It's us.

4) We have that power. We  are the ones who draw that line between the sacred and the trivial.

6.  听录音填空

What was amazing, is that the locals had always known about this place,

I was by no means the first outsider to see it.

it was just part of the everyday life.

They drink its water, they take in its vapor.

They cook with it, clean with it, even make their medicines with it.

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Speaking

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1. It is so far the largest non-volcanic boiling river ever discovered.

2. It indicates that humanity has always sought to explain the world around them.

3. He promised to pour the water samples back into the ground after analyzing them in his lab.

4. We are the ones who draw that line between the sacred and the trivial.

5. The result indicate that the water between high and low.

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1. What's truly incredible, though is the scale of this place.

2. We need to be curious and adventures in this information age.

3. As blood runs through the human body,  hot water runs through the Earth.

4. To the illegal loggers and the cattle farmers, it's just another resource to exploit.

5.  It indicates that humanity has always sought to explain the world around them.