托福阅读插入题例题
1. 指代：指代词(it，they，this，these，other，another，such，the)必向前指代。
(1)THIS+V+XXX
例题1：
Impacts by meteorites represent one mechanism that could cause global catastrophes and seriously influence the evolution of life all over the planet. █According to some estimates, the majority of all extinctions of species may be due to such impacts. █Such a perspective fundamentally changes our view of biological evolution. █The standard criterion for the survival of a species is its success in competing with other species and adapting to slowly changing environments. █Yet an equally important criterion is the ability of a species to survive random global ecological catastrophes due to impacts.
Look at the four squares [█] that indicate where the following sentence can be added to the passage.
This is the criterion emphasized by Darwin's theory of evolution by natural selection.
Where would the sentence best fit?
参考答案：4
托福阅读插入题例题
例题2：
Above the tree line there is a zone that is generally called alpine tundra. █Immediately adjacent to the timberline, the tundra consists of a fairly complete cover of low-lying shrubs, herbs, and grasses, while higher up the number and diversity of species decrease until there is much bare ground with occasional mosses and lichens and some prostrate cushion plants.█ Some plants can even survive in favorable microhabitats above the snow line. The highest plants in the world occur at around 6,100 meters on Makalu in the Himalayas.█ At this great height, rocks, warmed by the sun, melt small snowdrifts.█
Look at the four squares [█] that indicate where the following sentence could be added to the passage.
This explains how, for example, alpine cushion plants have been found growing at an altitude of 6,180 meters.
Where would the sentence best fit? Click on a square to add the sentence to the passage
托福阅读插入题练习题答案：4
托福阅读插入题例题
(2)This/The+n
例题3：
Their competition and collaboration were creating the broadcasting industry in the United States, beginning with the introduction of commercial radio programming in the early 1920s. █With financial assets considerably greater than those in the motion picture industry, and perhaps a wider vision of the relationships among entertainment and communications media, they revitalized research into recording sound for motion pictures. █In 1929 the United States motion picture industry released more than 300 sound films—a rough figure, since a number were silent films with music tracks, or films prepared in dual versions, to take account of the many cinemas not yet wired for sound. █At the production level, in the United States the conversion was virtually complete by 1930. █In Europe it took a little longer, mainly because there were more small producers for whom the costs of sound were prohibitive, and in other parts of the world problems with rights or access to equipment delayed the shift to sound production for a few more years (though cinemas in major cities may have been wired in order to play foreign sound films). The triumph of sound cinema was swift, complete, and enormously popular.
Look at the four squares [█] that indicate where the following sentence could be added to the passage.
When this research resulted in the development of vastly improved sound techniques, film studios became convinced of the importance of converting to sound.
Where would the sentence best fit?
托福阅读插入题练习题答案：2
托福阅读插入题例题
例题4：
The differences in feeding preferences lead, in turn, to differences in migratory habits.█ The wildebeests follow, in their migration, the pattern of local rainfall. █ The other species do likewise. █ But when a new area is fueled by rain, the mammals migrate toward it in a set order to exploit it. █ The larger, less fastidious feeders, the zebras, move in first; the choosier, smaller wildebeests come later; and the smallest species of all, Thomson’s gazelle, arrives last. The later species all depend on the preparations of the earlier one, for the actions of the zebra alter the vegetation to suit the stomachs of the wildebeest, topi, and gazelle.
Look at the four squares [█] that indicate where the following sentence could be added to the passage.
The sequence in which they migrate correlates with their body size.
Where would the sentence best fit?
托福阅读插入题练习题答案：4
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