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。
