6. On 13 July 1907, Baekeland took out his famous patent describing this preparation, the essential features of which are still in use today. (劍5, Test 2 passage 1)

　　分析：本句的主句為“Baekeland took out his famous patent”, “On 13 July 1907”為時間狀語;“describing this preparation”為現(xiàn)在分詞短語做定語，做his famous patent的定語;“the essential features of which are still in use today”為同位語，做this preparation的同位語;而其中“of which are still in use today”為定語從句，做features的定語，關(guān)系詞為which。

　　7. The result was a resin known as Novalak, which became solule and malleable when heated. (劍5, Test 2 passage 1)

　　分析：本句的主句為“The result was a resin”; “known as Novalak”為過去分詞短語做定語，做resin的定語;“which became solule and malleable when heated.”為定語從句，做Novalak的定語，關(guān)系詞為which; “when heated”為過去分詞短語做狀語，在該定語從句中做時間狀語。

　　8. The object could not be designed so that it was locked into the mould and therefore difficult to extract. (劍5, Test 2 passage 1)

　　分析：本句的主句為“The object could not be designed”; “so that it was locked into the mould and therefore difficult to extract.”為so that引導(dǎo)的結(jié)果狀語從句。

　　9. Baekeland’s invention, although treated with disdain in its early years, went on to enjoy an unparalleled popularity which lasted throughout the first half of the twentieth century.(劍5, Test 2 passage 1)

　　分析：本句的主句為“Baekeland’s invention went on to enjoy an unparalleled popularity”; “although treated with disdain in its early years”為過去分詞短語做讓步狀語;“which lasted throughout the first half of the twentieth century”為定語從句，做popularity的定語，關(guān)系詞為which。

　　10. Electrical manufacturers seized on its insulating properties, and consumers everywhere relished its dazzling array of shades, delighted that they were now, at last, no longer restricted to the wood tones and drab browns of the pre-plastic era.(劍5, Test 2 passage 1)

　　分析：本句為并列句，“Electrical manufacturers seized on its insulating properties”和“consumers everywhere relished its dazzling array of shades”并列，由and連接;“delighted that they were now, at last, no longer restricted to the wood tones and drab browns of the pre-plastic era”為過去分詞短語做伴隨狀語;其中“that they were now, at last, no longer restricted to the wood tones and drab browns of the pre-plastic era”為that引導(dǎo)的賓語從句(其前省掉了介詞at)。

　　11. Kant and Freud felt that joke-telling relies on building up a psychic tension which is safely punctured by the ludicrousness of the punchline.(劍5, Test 2 passage 2)

　　分析：本句的主句為“Kant and Freud felt that…”, 其中“that joke-telling relies on building up a psychic tension which is safely punctured by the ludicrousness of the punchline.”為that引導(dǎo)的賓語從句，做felt的賓語;而“which is safely punctured by the ludicrousness of the punchline”為定語從句，做a psychic tension的定語，關(guān)系詞為which。