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题库 / Prep2007E2-SC-131
Today's technology allows manufacturers to make small cars more fuel-efficient now than at any time in their production history.
small cars more fuel-efficient now than at any time in their
small cars that are more fuel-efficient than they were at any time in their
small cars that are more fuel-efficient than those at any other time in
more fuel-efficient small cars than those at any other time in their
more fuel-efficient small cars now than at any time in
请看讲解视频
比较选线ac，多斟酌（并不是越短就越对。）这道题是大意了。
small cars more fuel-efficient now than at any time in their❌
small cars that are more fuel-efficient than those at any other time in✅
两者比较才发现明显是c更正确，多用选项间比较
C，make cars more that are more efficient now than those before
生产的是不同的小汽车，比较的是不同小汽车的车的一个性质--燃油效率的高低，生产比之前的小汽车更具燃油效率的小汽车。
改成make small cars more fuel-efficient now than those before也是可以的
I'm going to make quieter air conditioners.
I'm going to make air conditioners that are quieter.
--> I'm going to make a new model that makes less noise.
A is like the first one of these, so it doesn't make sense in context.
C，定语从句中的关系代词 that 或 which 既可以指代单数先行词，也可以指代复数先行词。如：
These are the parcels that are going to be posted. 这些是准备要寄出的包裹。
D，now作时间状语与另一个时间状语比较时，可以省略，因为从语意可以看出是指的现在这个时间。
more应该修饰f-e，而不是更多小车，重点在f-e，所以选c
此外，A中核心比较对象是make efficient这件事情，所以要比较对等就得后面也是一件事情。DE中比较的是现在比以前可以产更多汽车，不符合题意，要比较的话也只需要用now 和in any other time 作比较就可以了
②more ... than at any time // or // more ... than at any other time
any里就包括了现在的时间
eg：...offer evidence more dramatic than what has yet been discovered of the close evolutionary.==>EVIDENCE HAS YET BEEN DISCOVERED 包括了句子开头的EVIDENCE ，所以要用最高级比较合适
"Any time" includes now. So, according to choice E, they can make more cars now than at any time"”"”including now!
Nonsense. X can't be more than X.
more fuel-efficient small cars有歧义，more可以修饰cars和fuel-efficient