The 32 species that make up the dolphin family are closely related to whales and in fact include the animal known as the killer whale, which can grow to be 30 feet long and is famous for its aggressive hunting pods. (A) include the animal known as the killer whale, which can grow to be 30 feet long and is (B) include the animal known as the killer whale, growing as big as 30 feet long and (C) include the animal known as the killer whale, growing up to 30 feet long and being (D) includes the animal known as the killer whale, which can grow as big as 30 feet long and is (E) includes the animal known as the killer whale, which can grow to be 30 feet long and it is
答案是A没有问题。
但是看到OG的解释里面说D选项中：“as big as is an idiomatically incorrect expression of the comparison”
不明白为什么as big as 是习惯性错误的比较用法。
搜索过论坛里面其他的帖子，有一个同学提出了这个问题，另外一位给出了如下回答：
“as big as 30 feet long ，貌似是as...as连接的对象要一致，讲大小前后统一都要讲大小，讲长短前后也要统一讲长短。而D中as...as连接的对象前面是big,后面是长度long.所以是不是不一致呢？”
上面这种解释也能勉强说得过去，但是OG里面说的是as big as 是错误的比较用法，说的并不是as big as XXX long是错误用法。所以我的问题是：
是不是as big as 这种用法是不能用在比较里面的（incorrect expression of the comparison）？
13.A surge in new home sales and a drop in weekly unemployment claims suggest that the economy might not be as weak as (the economy that 省略) some analysts previously thought （was）.
同意。如果whose lenth can grow as big as 30 feet 长度（lenth） 和长度（30 feet）比较，就对了
举og12-13试着说明一下：
13.A surge in new home sales and a drop in weekly unemployment claims suggest that the economy might not be as weak as (the economy that 省略) some analysts previously thought （was）.
if you write “as big as X”, then X must be the actual thing whose size is under consideration. for instance, “as big as a truck” makes sense, but “as big as the size of a truck” doesn't (since the size doesn't have a size).
same is true for "faster than the speed of...", "taller than the height of...", etc. -- all wrong, for either of these two reasons
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发表于 2009-12-29 20:56:06
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