新东方在线雅思网第一时给大家带来了剑桥雅思长难句分析(第六期)。长难句是同学们学习英语时的一大障碍，学会分析它们对于理解文章是必需的一个技能、希望以下内容能够为同学们的雅思备考提供帮助。新东方在线雅思网将第一时间为大家发布最新、最全、最专业的雅思报名官网消息和雅思考试真题及解析，供大家参考。

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　　1. The dominant idea, raised by 64% of the pupils, was that rainforests provide animals with habitats. (test1 passage 1)

　　分析：“raised by 64% of the pupils”为过去分词短语作定语，“that rainforests provide animals with habitats”为表语从句，作was的表语，本句的主句为“The dominant idea…was that…”。

　　2. These observations are generally consistent with our previous studies of pupils' views about the use and conservation of rainforests, in which girls were shown to be more sympathetic to animals and expressed views which seem to place an intrinsic value on non-human animal life. (test1 passage 1)

　　分析：本句的主句是“These observations are generally consistent with our previous studies of pupils' views about the use and conservation of rainforests”, 而后面的“in which girls were shown to be more sympathetic to animals and expressed views which seem to place an intrinsic value on non-human animal life”为定语从句，而在此定语从句中还有一个定语从句“which seem to place an intrinsic value on non-human animal life”。

　　3. Perhaps encouragingly, more than half of the pupils (59%) identified that it is human activities which are destroying rainforests, some personalizing the responsibility by the use of terms such as ‘we are'. (test1 passage 1)

　　分析：本句的主句为“more than half of the pupils (59%) identified that …”, “that it is human activities which are destroying rainforests”为that引导的宾语从句，作identify的宾语;“which are destroying rainforests”为which引导的定语从句，作activities的定语;“some personalizing the responsibility by the use of terms such as ‘we are'”为独立主格结构。

　　4. While two fifths of the students provided the information that the rainforests provided oxygen, in some cases this response also embraced the misconception that rainforest destruction would reduce atmospheric oxygen, making the atmosphere incompatible with human life on earth. (test1 passage 1)

　　分析：本句的主句为“this response also embraced the misconception”;“While two fifths of the students provided the information that the rainforests provided oxygen”为while引导的让步状语从句，while在此相当于although;“that rainforest destruction would reduce atmospheric oxygen”为that引导的同位语从句，作misconception的同位语;“making the atmosphere incompatible with human life on earth”为分词短语作状语。

　　5. One encouragement is that the results of similar studies about other environment issues suggest that older children seem to acquire the ability to appreciate, value and evaluate conflicting views. (test1 passage 1)

　　分析：本句的主句为“One encouragement is that…”;“that the results of similar studies about other environment issues suggest …”为that引导的表语从句，作is的表语;“that older children seem to acquire the ability to appreciate, value and evaluate conflicting views”为that引导的宾语从句，作suggest的宾语。

　　6. Environmental education offers an arena in which these skills can be developed, which is essential for these children as future decision-makers. (test1 passage 1)

　　分析：本句主句为“Environmental education offers an arena”;“in which these skills can be developed”为which引导的定语从句，作arena的定语;“which is essential for these children as future decision-makers”为which引导的非限制性定语从句。

　　7. Eye position in freshwater dolphins, which often swim on their side or upside down while feeding, suggests that what vision they have is stereoscopic forward and downward. (test1 passage 2)

　　分析：本句的主句为“Eye position in freshwater dolphins suggests that…”;“which often swim on their side or upside down”为which引导的定语从句，作freshwater dolphins的定语;“while feeding”为while引导的状语，分词短语作状语;“that what vision they have is stereoscopic forward and downward.”为that引导的宾语从句，作suggest的宾语;“what vision they have”为what引导的主语从句，作is的主语。

　　8. And although preliminary experimental evidence suggests that their in-air vision is poor, the accuracy with which dolphins leap high to take small fish out of a trainer's hand provides anecdotal evidence to the contrary. (test1 passage 2)

　　分析：本句主句为“the accuracy provides anecdotal evidence to the contrary”;“although preliminary experimental evidence suggests that their in-air vision is poor”为although引导的让步状语;“that their in-air vision is poor”为that引导的宾语从句，作suggest的宾语;“which dolphins leap high to take small fish out of a trainer's hand”为which引导的宾语从句，作with的宾语从句;“to take small fish out of a trainer's hand”为不定式作目的状语。

　　9. But a written form is essential for this, so the mere possibility of revival has led many speakers of endangered languages to develop systems of writing where none existed before. (test2 passage 1)

　　分析：本句中用so(连词)连接“a written form is essential for this”和“the mere possibility of revival has led many speakers of endangered languages to develop systems of writing where none existed before”两个简单句成为一个并列句;“where none existed before”为where引导的地点状语从句。

　　10. One factor which may help to ensure that some endangered languages do not die out completely is people's increasing appreciation of their cultural identity. (test2 passage 1)

　　分析：本句主句为“One factor is people's increasing appreciation of their cultural identity”;“which may help to ensure that some endangered languages do not die out completely”为which引导的定语从句，作factor的定语;“that some endangered languages do not die out completely”为that引导的宾语从句，作ensure的宾语。