老托福阅读试题及答案:PASSAGE30.docx
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1、老托福阅读试题及答案:PASSAGE30 为了帮助大家备考托福阅读,提高成果,下面我给大家带来老托福阅读试题及答案:PASSAGE 30,希望大家喜爱! 老托福阅读试题及答案:PASSAGE 30 Butterflies are among the most extensively studied insects it is estimated that 90 percent of the world's species have scientific names. As a consequence, they are perhaps the best group of insects
2、 for examining patterns of terrestrial biotic diversity and distribution. Butterflies also have a favorable image with the general public. Hence, they are an excellent group for communicating information on science and conservation issues such as diversity. Perhaps the aspect of butterfly diversity
3、that has received the most attention over the past century is the striking difference in species richness between tropical and temperate regions. For example, in 1875 one biologist pointed out the diversity of butterflies in the Amazon when he mentioned that about 700 species were found within an ho
4、ur's walk, whereas the total number found on the British islands did not exceed 66, and the whole of Europe supported only 321. This early comparison of tropical and temperate butterfly richness has been well confirmed. A general theory of diversity would have to predict not only this difference
5、 between temperate and tropical zones, but also patterns within each region, and how these patterns vary among different animal and plant groups. However, for butterflies, variation of species richness within temperate or tropical regions, rather man between them, is poorly understood. Indeed, compa
6、risons of numbers of species among the Amazon basin, tropical Asia, and Africa are still mostly "personal communication" citations, even for vertebrates. In other words, unlike comparison between temperate and tropical areas, these patterns are still in the documentation phase. In document
7、ing geographical variation in butterfly diversity, some arbitrary, practical decisions are made. Diversity, number of species, and species richness are used synonymously; little is known about the evenness of butterfly distribution. The New World butterflies make up the preponderance of examples bec
8、ause they are the most familiar species. It is hoped that by focusing on them, the errors generated by imperfect and incomplete taxonomy will be minimized. 1. Which aspect of butterflies does the passage mainly discuss? (A) Their physical characteristics (B) Their names (C) Their adaptation to diffe
9、rent habitats (D) Their variety 2. The word "consequence" in line 2 is closest in meaning to (A) result (B) explanation (C) analysis (D) requirement 3. Butterflies are a good example for communicating information about conservation issues because they (A) are simple in structure (B) are vi
10、ewed positively by people (C) have been given scientific names (D) are found mainly in temperate climates 4. The word "striking" in line 8 is closest in meaning to (A) physical (B) confusing (C) noticeable (D) successful 5. The word "exceed" in line 11 is closest in meaning to (A
11、) locate (B) allow (C) go beyond (D) come close to 6. All of the following are mentioned as being important parts of a general theory of diversity EXCEPT (A) differences between temperate and tropical zones (B) patterns of distribution of species in each region (C) migration among temperate and trop
12、ical zones (D) variation of patterns of distribution of species among different animals and plants 7. The author mentions tropical Asia in lines 19 as an example of a location where (A) butterfly behavior varies with climate (B) a general theory of butterfly diversity has not yet been firmly establi
13、shed (C) butterflies are affected by human populations (D) documenting plant species is more difficult than documenting butterfly species 8. Which of the following is NOT well understood by biologists? (A) European butterfly habitats (B) Differences in species richness between temperate and tropical
14、 regions (C) Differences in species richness within a temperate or a tropical region (D) Comparisons of behavior patterns of butterflies and certain animal groups 9. The word "generated" in line 26 is closest in meaning to (A) requested (B) caused (C) assisted (D) estimated 正确答案: DABCC CBC
15、B 托福阅读出题点列举 托福阅读出题点一、列举和并列句 列举指的是: First,. Second,. Third,.。等逐条列出。并列句是指:A ,B and C,即逐项列出。它们共同的特征是列出二点或三点以上的条目。该类型语言点常考的题型是“细微环节性问题”,主要有两种: 1. Which 题型 该题型只要求从并列的三顶中选一项作为答案,其它条目与题目无关。在这种状况下,往往题目的答案出自最终一个选项。 2 . EXCEPT 题型 该题型俗称“三缺一”题型,即题目 4 个选项中有三个符合文章内容,剩下一个不符合,题目便是要求选出这个不符合文章内容的选项。例如: All of the fol
16、lowing are mentioned as types of evidence concerning handedness EXCEPT ? 这种题型只适合于考并列、列举句,这是因为它要求其三个选项肯定是文章中出现的,也就是并列或列举之处。利用这一特点。我们在读文章的时候就可多留意,如看到并列、列举句,可预想其有可能被考到;如发觉题目中有“三缺一”题型,则应到并列、列举处找答案。 托福阅读出题点二、否定及转折句 托福听力段落题型及解题要点 如何用逆向搜寻法得高分 如何提高托福听力水平 否定句是指带有 NO 或 NOT , NEVER 等否定词的句子,而转折句则指带有 HOWEVER , B
17、UT 或RATHER 等关联词引导的句子,它们可以用下面的句型说明: A is not B , as C , but is D 。对于以上的句型常出“推断性问题”。 托福阅读出题点三、举例句 句中由 as 或 such as , for example 等引导的短语或句子为举例句,常考“推断性问题”和“细微环节性问题”。上面句型中的 as C 为插入的举例句。 托福阅读出题点四、数字与年头 文中的数字、年头、日期等经常是出题者留意的考题点,如 1996 年 10 月第 48 题。 托福阅读出题点五、最高级及肯定性词汇 文章中若出现 must , all , only , anyone , al
18、ways , never 等肯定性词汇或 first , most beautiful 等最高级词汇,往往是考题要点,一般出“细微环节性题目”。这是因为它们都有一个共同的特点,那就是 概念肯定 , 答案唯一 ,无论是出题还是做题,不会产出歧义和疑问,因此很简单出题,答案肯定正确。相反地,假如文章中出现相对性的词汇、例如 Some of the people chose red hats,some chose green hats,and others blue ones. 其中 some 为相对性词汇,假如我们出这样一道题: What color hats did some people ch
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