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题库 / OG2016-SC-104
Heating-oil prices are expected to be higher this year than last because refiners are paying about $5 a barrel more for crude oil than they were last year.
Heating-oil prices are expected to be higher this year than last because refiners are paying about $5 a barrel more for crude oil than they were
Heating-oil prices are expected to rise higher this year over last because refiners pay about $5 a barrel for crude oil more than they did
Expectations are for heating-oil prices to be higher this year than last year's because refiners are paying about $5 a barrel for crude oil more than they did
It is the expectation that heating-oil prices will be higher for this year over last because refiners are paying about $5 a barrel more for crude oil now than what they were
It is expected that heating-oil prices will rise higher this year than last year's because refiners pay about $5 a barrel for crude oil more than they did
题目分析：
略
选项分析：
A选项：Correct. 本选项在语法和逻辑上均是正确的。比较对象是this year和last year，即，两个年份。
B选项：rise表达了“上升”的意思，而higher表示更高。在逻辑上，rise的结果一定是“使得某物higher”，因此，rise或higher只能存在一个，higher赘余；
另外，higher…than…是习惯用语，higher…over…是不正确的。
C选项：比较对象不对等。比较两个年份的价格在本题中也是可以的，但是，last year's在than的身前无法找到平行对象，可以改为： this year's heating-oil prices are higher than last year's prices.
D选项：higher…over…习惯用语错误同(B)。
E选项：比较对象错误同(C)；expect身后不能用宾语从句，而应该用不定式。这点考查了“不定式和从句的区别”。
more than结构中，than代替的是more 后面的成分，more做表语成分时，than代替一个表语成分，后面的句子也要缺一个than所代替的成分。有时候可以省去主谓，只留下比较的部分，如状语部分（介词短语等），此题目完整的结构应该是A is higher this year than it was last year。省略it was和last就成了最后A选项的样子。
考虑省略的话，主句的谓语还是are expected，所以看来看去还是this year 和last year 在比，我也不确认这里到底有没有你说的这种省略，求毕老师解答
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