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精选400句托福阅读长难句(OG&TPO)九

2018-08-22 11:24:31来源：网络

　　对于托福阅读部分来说，我们基础的备考中，还是要掌握一些长难句，这些句子通常句型比较复杂，大家在理解上有很大的难度。但是同时这些长难句也是文章的重点内容，所以大家一定要攻克这些困难。新东方在线托福网为大家整理了一些比较经典的长难句，供大家参考。

【点击查看精选400句托福阅读长难句(OG&TPO)汇总】

　　81. Moreover, recent research on obsidian tools found at Olmecs sites has shown that some of the obsidian obtained by the Olmecs originated near Teotihuacán.

　　82. The growing power of the elite, who controlled the economy, would give them the means to physically coerce people to move to Teotihuacán and serve as additions to the labor force.

　　83. By measuring how many of these meteorites fall to Earth over a given period of time, scientists can estimate how long it might have taken to deposit the observed amount of lr in the boundary clay.

　　84. They bear a strong resemblance to river systems on Earth, and geologists think that they are dried-up beds of long-gone rivers that once carried rainfall on Mars from the mountains down into the valleys.

　　85. Runoff channels on Mars speak of a time 4 billion years ago (the age of the Martian highlands), when the atmosphere was thicker, the surface warmer, and liquid water widespread.

　　86. The onrushing water arising from these flash floods likely also formed the odd teardrop-shaped “islands” (resembling the miniature versions seen in the wet sand of our beaches at low tide) that have been found on the plains close to the ends of the outflow channels.

　　87. Judging from the width and depth of the channels, the flow rates must have been truly enormous―perhaps as much as a hundred times greater than the 105 tons per second carried by the great Amazon river.

　　88. A computer-generated view of the Martian north polar region shows the extent of what may have been an ancient ocean covering much of the northern lowlands.

　　89. Proponents point to features such as the terraced “beaches” shown in one image, which could conceivably have been left behind as a lake or ocean evaporated and the shoreline receded.

　　90. But detractors maintain that the terraces could also have been created by geological activity, perhaps related to the geologic forces that depressed the Northern Hemisphere far below the level of the south, in which case they have nothing whatever to do with Martian water.

　　以上就是为大家整理的“精选400句托福阅读长难句(OG&TPO)九”，更多精彩内容请关注新东方在线托福频道!


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