Tpo24阅读分析(9)

To better understand breathing during sleep, it is, however, helpful to first understand how respiration works in general.

两个过渡点，名词respiration和连词however。根据respiration可以初步确定答案是B或者C，但根据however断定B不对，因为两个however不能连续出现，所以正确答案是C

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13. Directions: From the seven statements below, select the statements that correctly characterize breathing during

wakefulness and those statements that correctly characterize breathing during sleep. Drag each answer choice you select

into the appropriate box of the table. Two of the answer choices will NOT be used. This question is worth 3 points.

Answer Choices

A选项对应第一段第三句，属于wakeful部分

B选项对应第五段第四句，二氧化碳多氧少，属于sleep部分

C选项原文没说reflex复杂，不属于任何一列，不选

D选项对应原文第四段第三句，属于sleep部分

E选项原文没说，不选

F选项对应原文第六段第二句，属于sleep部分

G选项对应原文第二段首句，属于wakeful部分

Reading 03 Moving into Pueblos

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paragraph3: Population growth is considered a particularly influential push. After several generations of population growth, people packed the landscape in densities so high that communal pueblos may have been a necessary outcome. Around Sand Canyon, for example, populations grew from 5 -12 people per square kilometer in the tenth century to as many as 30 - 50 by the 1200s. As densities increased, domestic architecture became larger, culminating in crowded pueblos. Some scholars expand on this idea by emphasizing a corresponding need for arable land to feed growing numbers of people: construction of small dams, reservoirs, terraces, and field houses indicates