練習(xí)步驟：
step1：劃分句子結(jié)構(gòu)，找句子主干
step2: 確定修飾詞，修飾短語(yǔ)或修飾從句的修飾關(guān)系
step3: 確定代詞指代對(duì)象
劍橋雅思9
Reading Passage 1
長(zhǎng)難句：Thus, when Hofmann made some passing comments about the desirability of a synthetic substitute for quinine, it was unsurprising that his star pupil was moved to take up the challenge.
step1：劃分句子結(jié)構(gòu)，找句子主干
step2: 確定修飾詞，修飾短語(yǔ)或修飾從句的修飾關(guān)系
step3: 確定代詞指代對(duì)象
劍橋雅思9
Reading Passage 1
長(zhǎng)難句：Thus, when Hofmann made some passing comments about the desirability of a synthetic substitute for quinine, it was unsurprising that his star pupil was moved to take up the challenge.