38—the government has a crucial role to play in scientific research in that its scrutiny can crown research with an ethical compass.本句老师以前讲过,今天看时又有点问题,只想知道 想问:the government has a crucial role to play

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38—the government has a crucial role to play in scientific research in that its scrutiny can crown research with an ethical compass.本句老师以前讲过,今天看时又有点问题,只想知道 想问:the government has a crucial role to play
38—the government has a crucial role to play in scientific research in that its scrutiny can crown research with an ethical compass.
本句老师以前讲过,今天看时又有点问题,只想知道
想问:the government has a crucial role to play in scientific research:这句中
1—play in不是短语,而是分开的,in是属于后面的scientific research,即 in scientific research:在科学研究方面.我这么理解对吧
2—the government has a crucial role to play:想问这个to play 是目的状语吧,为什么这么个用法,感觉别扭
改成:the government has played a crucial role in scientific research.可以吗,如果可以,我改的和原文中有什么区别?
the government has played a crucial role in scientific research这句正确,意思是政府已经扮演了重要角色(起了重要作用).一个是未做,一个是已做

38—the government has a crucial role to play in scientific research in that its scrutiny can crown research with an ethical compass.本句老师以前讲过,今天看时又有点问题,只想知道 想问:the government has a crucial role to play
The government has a crucial role to play in scientific research in that its scrutiny can crown research with an ethical compass.
一、小层次划分:the government / has a crucial role / to play in scientific research
主语:the government —— 政府
谓语动词:has —— 扮演
宾语:a crucial role —— 至关紧要的角色
修饰 role 的定语:to play in scientific research —— 在科学研究中起作用的(角色)

二、可以改成:the government has played a crucial role in scientific research,但是和原文中的意思有所区别:
原文:政府扮演着科学研究中起作用的至关紧要的角色.
改写句:政府已经在科学研究中扮演了至关紧要的角色.