Q31
In the sixteenth century, the push for greater precision in measuring time was (not, like more recently, motivated by complicated philosophical questions about the nature of matter and the universe, but the practical matters of navigation):sailors simply needed more highly accurate timepieces in order to compute their longitude from the positions of the stars.
(E) motivated not by complicated philosophical questions about the nature of matter and the universe, as has been the case more recently, but by the practical matters of navigation
(E)是答案没问题，但（E）中: , as has been the case more recently, 在语法上如何透彻理解呢？ as 是什么词性？ 为何意呢？ 是代词？代什么？
我自己也顶！
我也帮你顶，顶到有NN来…
我不是NN，但AS用法好象以前讨论过。
AS在此是做关系代词，替代前面的整个句意。IN SHORT，ETS认为IT/THAT/WHICH都只能指代具体词而不能指代整个句意，但AS是个例外，既可以指代单词，词组，还可以指代整个句意。
tks ! make sense, 有道理，ETS老是变来变去搞得不知道他到底喜欢什么。
Q31
In the sixteenth century, the push for greater precision in measuring time was (not, like more recently, motivated by complicated philosophical questions about the nature of matter and the universe, but the practical matters of navigation):sailors simply needed more highly accurate timepieces in order to compute their longitude from the positions of the stars.
(E) motivated not by complicated philosophical questions about the nature of matter and the universe, as has been the case more recently, but by the practical matters of navigation
(E)是答案没问题，但（E）中: , as has been the case more recently, 在语法上如何透彻理解呢？ as 是什么词性？ 为何意呢？ 是代词？代什么？
Q31
In the sixteenth century, the push for greater precision in measuring time was (not, like more recently, motivated by complicated philosophical questions about the nature of matter and the universe, but the practical matters of navigation):sailors simply needed more highly accurate timepieces in order to compute their longitude from the positions of the stars.
(C)motivated not by complicated philosophical questions about the nature of matter and the universe, like they were more recently, but by the practical matters of navigation
(E) motivated not by complicated philosophical questions about the nature of matter and the universe, as has been the case more recently, but by the practical matters of navigation
不好意思，PDF的东东偶不大会弄，只好只贴出有疑问的c选项，C和E只有这点差异，请问C错在哪里？
是like不能接句子吗？
请nn帮忙解答，谢谢
另外对E中的as has been the case more recently 还是很困惑阿
请NN指点
like在ＧＭＡＴ的语法中是不可以接句子的
Q31
In the sixteenth century, the push for greater precision in measuring time was (not, like more recently, motivated by complicated philosophical questions about the nature of matter and the universe, but the practical matters of navigation):sailors simply needed more highly accurate timepieces in order to compute their longitude from the positions of the stars.
(E) motivated not by complicated philosophical questions about the nature of matter and the universe, as has been the case more recently, but by the practical matters of navigation
as 做关系代词引导一状语从句表示与主句的相似性;like则跟一名词结构表相似性,且比较的是主语.
as has been the case more recently = as more recently the push for greater precision in measuring time has been motivated not by complicated philosophical questions about the nature of matter and the universe...
意思是:就象 最近 对时间的量度要求更精确的现象的出现 不是由复杂的关于物质和宇宙的哲学问题引起的 一样,在16世纪, 对时间的量度要求更精确的现象的出现 也不是由复杂的关于物质和宇宙的哲学问题引起的,而是由航海的实际问题引起的.
用 has been the case 概括了与主句相同的部分,类似的省略在比较句中也很多,OG和大全都有,一下找不出来,只记得大概是: 主 谓 宾(其中有比较级)than it was ten years ago. 而主句的主语和谓语并不是对应的it was.
as可以做连词，表示象---一样，但like绝对不能做连词用来表示象---一样，只能表示n1--->n2之间的类似关系。
此外,as be the case 我个人认为是ETS偏好.
Q31
In the sixteenth century, the push for greater precision in measuring time was (not, like more recently, motivated by complicated philosophical questions about the nature of matter and the universe, but the practical matters of navigation):sailors simply needed more highly accurate timepieces in order to compute their longitude from the positions of the stars.
(E) motivated not by complicated philosophical questions about the nature of matter and the universe, as has been the case more recently, but by the practical matters of navigation
as 做关系代词引导一状语从句表示与主句的相似性;like则跟一名词结构表相似性,且比较的是主语.
as has been the case more recently = as more recently the push for greater precision in measuring time has been motivated not by complicated philosophical questions about the nature of matter and the universe...
意思是:就象 最近 对时间的量度要求更精确的现象的出现 不是由复杂的关于物质和宇宙的哲学问题引起的 一样,在16世纪, 对时间的量度要求更精确的现象的出现 也不是由复杂的关于物质和宇宙的哲学问题引起的,而是由航海的实际问题引起的.
用 has been the case 概括了与主句相同的部分,类似的省略在比较句中也很多,OG和大全都有,一下找不出来,只记得大概是: 主 谓 宾(其中有比较级)than it was ten years ago. 而主句的主语和谓语并不是对应的it was.
黄字疑为释疑者误打。
E;
A-"...not, like more recently..." is incorrect style and usage;
B-"being" is unnecessary, "instead of" is better said as "rather than", plus, the structure of the sentence does not properly set the stage for the clause that follows the colon;
C-"like they were more recently" introduces a pronoun reference problem as "the push for greater precision" is singular, but "they" is plural;
D-structure does not correctly set-up the terminal dependent clause.
E gets it right.
顶顶顶，as 做关系代词引导一状语从句表示与主句的相似性;like则跟一名词结构表相似性,且比较的是主语.
^_^
这道题有意思，问到as在(E)中的用法，回帖特别少。
我在这边做个大胆猜测：
like/as的混合考题中，都是表示“像”的意思，不同的是说，like是介词后面跟名词，而as应该是连词，后面跟句子，所以我有点不是很同意前面说as是代词意图指代前面整个这句话。我觉得as has been the case more recently很可能是个倒装，未倒前是as the case has been more recently，用the case这个新名词来指前面整个这句话。
没有过多的理论根据，在薄冰语法的倒装部分看到这么一句句子：
有时倒装结构为助动词+主语+（主要动词），如：
John was taken completely by surprise by the news, as was Susan.这消息完全出乎约翰的意料，也完全出乎苏珊的意料。
大家继续讨论。
Q31
In the sixteenth century, the push for greater precision in measuring time was (not, like more recently, motivated by complicated philosophical questions about the nature of matter and the universe, but the practical matters of navigation):sailors simply needed more highly accurate timepieces in order to compute their longitude from the positions of the stars.
(E) motivated not by complicated philosophical questions about the nature of matter and the universe, as has been the case more recently, but by the practical matters of navigation
as 做关系代词引导一状语从句表示与主句的相似性;like则跟一名词结构表相似性,且比较的是主语.
as has been
the case more recently = as more recently the push for greater precision in measuring time has been motivated not by complicated philosophical questions about the nature of matter and the universe...
意思是:就象 最近 对时间的量度要求更精确的现象的出现 不是由复杂的关于物质和宇宙的哲学问题引起的 一样,在16世纪, 对时间的量度要求更精确的现象的出现 也不是由复杂的关于物质和宇宙的哲学问题引起的,而是由航海的实际问题引起的.
用 has been the case 概括了与主句相同的部分,类似的省略在比较句中也很多,OG和大全都有,一下找不出来,只记得大概是: 主 谓 宾(其中有比较级)than it was ten years ago. 而主句的主语和谓语并不是对应的it was.
同意这个解释。但是as has been the case --> the case指的是motivated by complicated ......还是motivated not by.....呢？
可以这样说吗？
在ETS眼中：like +句子 错
黄字疑为释疑者误打。
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