托福阅读中句子插入题是重要题型之一。根据托福阅读题型不同来进行专项练习，是短期提高托福阅读能力的有效方法。同学们需要多加练习哦!

　　托福阅读句子插入题：Deer Populations

　　【Paragraph 2】Nearly any kind of plant of the forest understory can be part of a deer's diet. Where the forest　inhibits the growth of grass and other meadow plants, the black-tailed deer browses on huckleberry, salal, dogwood, and　almost any other shrub or herb. But this is fair-weather feeding. What keeps the black-tailed deer alive in the harsher seasons of plant decay and dormancy? One compensation for not hibernating is the built-in urge to migrate. ■Deer may　move from high-elevation browse areas in summer down to the lowland areas in late fall. ■Even with snow on the　ground, the high bushy understory is exposed; also snow and wind bring down leafy branches of cedar, hemlock, red　alder, and other arboreal fodder.

　　【Paragraph 3】■The numbers of deer have fluctuated markedly since the entry of Europeans into Puget Sound　country. ■The early explorers and settlers told of abundant deer in the early 1800s and yet almost in the same breath　　bemoaned the lack of this succulent game animal. Famous explorers of the north American frontier, Lewis and Clark　arrived at the mouth of the Columbia River on November 14, 1805, in nearly starved circumstances. They had　experienced great difficulty finding game west of the Rockies and not until the second of December did they kill their first　elk. To keep 40 people alive that winter, they consumed approximately 150 elk and 20 deer. And when game moved out　of the lowlands in early spring, the expedition decided to return east rather than face possible starvation. Later on in the　early years of the nineteenth century, when Fort Vancouver became the headquarters of the Hudson's Bay Company,　deer populations continued to fluctuate. David Douglas, Scottish botanical explorer of the 1830s, found a disturbingchange in the animal life around the fort during the period between his first visit in 1825 and his final contact with the fort　　in 1832. A recent Douglas biographer states:" The deer which once picturesquely dotted the meadows around the fort　　were gone [in 1832], hunted to extermination in order to protect the crops." ( Deer Populations of the Puget Sound)

　　! Look at the four squares [■] that indicate where the following sentence could be added to the passage.

　　There food is available and accessible throughout the winter.

　　Where would the sentence best fit?

　　托福阅读句子插入题答案：2

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