错误1:动词weighs应该对应less than,而名词weight应该对应lighter than(因此,可以排除ABE)
"for" is absolutely necessary. if you write X will be used for Y more than for Z (as in the correct answer) then the two cases being compared are (a) X used in place of Y, (b) X used in place of Z. on the other hand, if you write X will be used for Y more than Z (as in choice b) then that can be interpreted differently: (a) X used in place of Y vs. (b) Z used in place of Y.
1.more as a substitute for four quarters than (for) the dollar bill,如果than 前面有多个名词且比较的名词带有介词时,than后面比较对象不能省略介词。 2.its weighs和four quarters比较对象不对等。
more as for than the dollar, which is unparalleled
比较对象不对等,应该是than as...是更像是,比较的是likehood
substitute 和 bill 不平行
1、选项里是substitute和dollar bill对比,不对 2、动词weigh用less than,名词weight用light than
比较对象,substitute for four quarters than for dollar bill与substitute for four quarters than dollar bill 不一样
weigh做动词,这时候比较的就是8.1的数据,所以应该用less,如果前面用的是weight名词,后面则应该用lighter
weigh做动词,这时候比较的就是8.1的数据,所以应该用less,如果前面用的是weight名词,后面则应该用lighter
如果比较结构中的than前面有多个名词,than后面需要补充出介词以避免产生歧义。 即 more as ,than as ... as a substitute for.... more than for ....
(B) more as… than the dollar,the dollar和前面比较对象有歧义。
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