托福阅读TPO33(试题+答案+翻译)第3篇:灭绝事件 托福阅读真题100篇

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内容导航：

一、托福阅读经典加试算分吗?加试几篇？求经典加试题。

二、托福阅读TPO33(试题+答案+翻译)第3篇:灭绝事件

一、托福阅读经典加试算分吗?加试几篇？求经典加试题。

您好，济南新航道为您解答。关于托福加试是否算额外考试，有以下几种观点：第一种：加试是一种标记，经典加试是一种额外考试。加试作为衡量考试难度的基准。如果测试的正确率高于额外测试的正确率，这意味着问题很简单，米英有必要经常执行，你将获得较低的分数。反之，说明问题难，给你加分。

第二种：加试不是分数，经典加试是加试。这个说法就是所谓的“经典加试题”都是加试，不算。很多新手都这么认为。

第三种：加试不算，经典加试不一定是加试。这是山东发布后可以广泛使用的说法，也是我比较认同的说法。这个理论中的额外测试实际上是随机选取的。所以经典试题也可能会被打分，也可以算作附加测试。这也解释了很多人乱写加试总分的悲剧，很多人乱写自洗。第四种：针断了会增加杆频试分。

在这里必须提醒你，一般认为加试不是分数，但是加试作为对你能力的一种测试，也会起到平衡分数的作用，所以你要完成加试，认真对待。详情请查看：Does托福阅读分数

二、托福阅读TPO33(试题+答案+翻译)第3篇:灭绝事件

为了帮助大家准备托福阅读，提高阅读成绩，我给大家带来了托福阅读TPO33(试题翻译)第三章：灭绝，希望大家喜欢！托福阅读TPO33阅读原文

托福阅读TPO33阅读题托福阅读TPO33阅读答案1。繁殖，增殖，对应c。

2. Inference: Positioning sentence Until the Cambrian, which began about 600 million years ago, a large number of macro species appeared on the earth and fossil records were produced, which enabled us to track the rise and fall of biodiversity. The main meaning is that biodiversity cannot be monitored until CAMBRIAN. The implication is that biodiversity cannot be monitored before CAMBRIAN, corresponding to option B.

3.分析句子简化问题：这个长句其实是两个长句的并列；主要分为两层意思：第一，任何生物都不可能永远统治；第二，恐龙灭绝后，哺乳动物开始发展统治，两个意思可以形成因果关系。所以只有选项b符合所有条件。

Since about 280 million years ago, reptiles are the main large animals in the land environment. In layman's terms, this is the era of"dinosaurs ruling the earth", and various reptiles occupy many niches. Corresponding to the d option.

5. analyze the details: positioning sentences paleontologists mark this point in the history of the earth as the end of the Cretaceous and the beginning of the Tertiary, usually abbreviated as the K-T boundary. This period also marks the changes of many other types of organisms. Overall, about 38% of marine animal families have disappeared, and in some groups, the proportion is much higher.

The ammonite molluscs are very diverse and rich and extinct. The range in the stem is limited initially, so it can only be an ammonite mollusk. Choose D.6. Analyze the rhetorical purpose: even in the stem, indicating the progressive degree. However, the idea that dinosaurs might absorb heat did not really challenge the climate explanation of L-T extinction. That is, the second half of the sentence explains why the climate theory is not refuted.

8 .广泛，广泛，选择a。

9. analyze the negative details: the short-term impact of the positioning sentence may include a huge tsunami and a large-scale fire. In other words, a series of events triggered by a single catastrophic event led to mass extinction. Corresponding to option a, option B.

They believe that its impact has produced a thick dust cloud, wrapped around the earth, blocked most of the incoming solar radiation and reduced the photosynthesis of plants to a very low level. This impact produced a large number of thick dust clouds, which covered the sky and the sun. Corresponding to the c option. The D option and iridium are evidence of extinction, but they are not the cause of extinction.

10. Analyze the details: Positioning Sentence Initially, the meteorite theory was based on a single evidence. Around the world, geologists have found unusually high concentrations of iridium in sedimentary rocks formed about 65 million years ago. This means that the main evidence of the asteroid impact theory at the beginning was the discovery of a large number of iridium (iridium) in the rocks of the earth. Therefore, its importance is to show that the impact theory is the cause of species extinction.

Most scientists begin to accept the meteorite theory, because there is evidence that a circular stratum with a diameter of 180 kilometers and centered on the north coast of Yucatan Peninsula was formed by meteorite impact about 65 million years ago. It means that the crater on the back shore of Yucatan Peninsula is the result of meteorite impact. Corresponding to option a.

12.分析推断题：定位句最初，气象理论是建立在单线证据基础上的。一开始只是依据单一证据理论，提出证据不充分。

Most scientists began to accept the meteorite theory, because there is evidence that a circular stratum with a diameter of 180 kilometers and centered on the north coast of Yucatan Peninsula was formed by meteorite impact about 65 million years ago. Most scientists began to accept the asteroid impact theory after the crater evidence appeared, which means that most scientists were skeptical about the theory at first. That is, the answer is B.

13.分析句子插入问题：给定的句子中有这样的暗示，说明前面的内容可能与石头的化学成分无关，但这句话的下一句应该与化学成分有关。因此，只有第二个盒子符合条件。第二个盒子之后，出现了关于铱的讨论。

14.K-T extinction wiped out dinosaurs and ammonite mollusks, but it was followed by the diversification of mammals and gymnosperms. Correct. Corresponding to the general idea of the second paragraph, there is no eternal ruler, and now it is the world of mammals and plants after dinosaurs. In 1980, Luis Alvarez proposed that the extinction of K-T was caused by the ecological disaster caused by the impact of meteorites on the earth. Correct. Corresponding to the fourth paragraph: the hypothesis that asteroids hit the earth.

6500万年前在k-t边界的立体岩石和尤卡坦半岛的大型撞击坑中高浓度的铱strong lysupport Alvarez，hypotheis。正确。对应第四段，是解释小行星撞击地球假说的重要证据。一个证据是地球岩石中铱的大量存在，另一个证据是巨大陨石坑的发现。托福阅读TPO33(考试答案翻译)第三篇：灭绝事件相关文章；

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