题型技巧分析 | 是非无判断题是雅思阅读考试的经典题型，虽然近期题量相对减少，但是仍是复习备考时应关注的题型。
首先应注意是TRUE还是YES, 本篇是TRUE/ FALSE/ NOT GIVEN
解题步骤：
1. 速读问题的句子，找出考点词（容易有问题的部分）。考点词：比较级，最高级，数据（时间），程度副词，特殊形容词，绝对化的词（only, most, each, any, every, the same as等）
2. 排除考点词，在余下的词中找定位词，去原文定位。
3. 重点考察考点词是否有提及，是否正确。
TRUE的原则是同义替换，至少有一组近义词。
FALSE是题目和原文截然相反，不可共存，通常有至少一组反义词。
NOT GIVEN原文未提及，不做任何推断，尤其多考察题目的主语等名词在原文是否有提及。 |
英文原文阅读 | Gorillas comprise the eponymous genus Gorilla, the largest extant genus of primates by size. They are ground-dwelling, predominantly herbivorous apes that inhabit the forests of central Africa. The genus is divided into two species and either four or five subspecies. The DNA of gorillas is highly similar to that of a human, from 95–99% depending on what is counted, and they are the next closest living relatives to humans after the bonobo and common chimpanzee.
Gorillas' natural habitats cover tropical or subtropical forests in Africa. Although their range covers a small percentage of Africa, gorillas cover a wide range of elevations. The mountain gorilla inhabits the Albertine Rift montane cloud forests of the Virunga Volcanoes, ranging in altitude from 2,200–4,300 metres (7,200–14,100 ft). Lowland gorillas live in dense forests and lowland swamps and marshes as low as sea level, with western lowland gorillas living in Central West African countries and eastern lowland gorillas living in the Democratic Republic of the Congo near its border with Rwanda.
Gorillas move around by knuckle-walking, although they sometimes walk bipedally for short distances while carrying food or in defensive situations. Wild males gorillas weigh 135 to 180 kg (300 to 400 lb) while adult females usually weigh half as much as adult males at 68–113 kg (150–250 lb). Adult males are 1.7 to 1.8 m (5.6 to 5.9 ft) tall, with an arm span that streaches from 2.3 to 2.6 m (7.5 to 8.5 ft). Female gorillas are shorter with smaller arm spans. Occasionally, a silverback of over 1.8 metres (5 ft 11 in) and 230 kg (510 lb) has been recorded in the wild. Obese gorillas in captivity can weigh as much as 270 kg (600 lb).Gorilla facial structure is described as mandibular prognathism, that is, the mandible protrudes farther out than the maxilla. Adult males also have a prominent sagittal crest.
The eastern gorilla is more darkly colored than the western gorilla, with the mountain gorilla being the darkest of all. The mountain gorilla also has the thickest hair. The western lowland gorilla can be brown or grayish with a reddish forehead. In addition, gorillas that live in lowland forests are more slender and agile than the more bulky mountain gorillas. The eastern gorilla also has a longer face and broader chest than the western gorilla
Studies have shown gorilla blood is not reactive to anti-A and anti-B monoclonal antibodies, which would, in humans, indicate type O blood. Due to novel sequences, though, it is different enough to not conform with the human ABO blood group system, into which the other great apes fit. Like humans, gorillas have individual finger prints. Their eye color is dark brown, framed by a black ring around the iris. Similar to humans, the leading cause of death in gorillas is cardiovascular disease. |
题型技巧分析 | Heading题型做题步骤：
1. 读题目要求，注意是将heading前的序号写在答题卡上。
2. 划去Example项，在Lists of headings中将例子的标题划去，同时将对应段落在文章中划去，以免做题时重复找。
3. 在给出的标题中划出关键词，以名词为主。
4. 读文章段落，主要读段首和段尾，找出主题句。
5. 将段落主题句和标题相比较，选出答案。
注意事项：
1. 在找主题句的时候，主题句不一定是段落的第一句，很多时候尤其是第二段及以后的段落第一句往往是对上一段的概况，第二第三句才是主题句。
2. 如果本段有however, but等转折词汇以及also, although等，主题句即作者的中心在其后面。
3. 如果某段中重复出现标题中的某个关键词，也可以判定此段的标题即是含有这个关键词的标题。 |
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