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It’s believed ______40% of stars, like the sun, may have planets that orbit them.    
A.as many asB.as much asC.many moreD.much more
A

试题分析:as much as与…差不多;多达…(表示“量”上的比较),修饰不可数名词,故排除 B;as many as多达…(表示“数目”上的比较),修饰可数名词;many more后接一个名词一定是个复数可数名词。much more后接一个名词,这个名词一定是个不可数名词。这两者可指“更多”,故排除C和D。
点评:解答此类题型要先理解题干要表达的意思,再分析各个选项中词组的词义,从中选取适合语境及语法规则的一个。在平时的学习中,要重视对词组的总结和记忆。
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