专业英语八级改错练习题及答案解析1Abouthalfofthei
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itedNatio
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ciesbeforethemotheris18yearoldthoseafterthemotheris35yearsoldpreg
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1________2________3________4________
5________6________7________8________9________10_______
f参考答案及解析：1将hadused改为used。因为此句是虚拟语气，表示与现在事实相反，故条件从句中应使用一般过去时。例如：Ma
ywouldbewiseiftheydid
otthi
kthemselveswise许多人原本会成为聪明人－如果他们不自以为聪明的话。2将publishi
g改为publishedreport和publish时逻辑动宾关系，故应使用publish的过去分词短语来修饰report。例如：A
ydiscoverythatwemaymakehoweversmallwillremai
acquiredk
owledge任何可能的发现，不管多么微不足道，都将成为知识宝库中的一部分。3将theirs改为their。4将amo
g改为betwee
。在两次怀孕期间留出足够的间隔时间，故用betwee
。5将过去分词excluded改为介词excludi
g。excludi
g意为“不包括…”6将respectably改为respectivelyrespectively意为“分别地”，符合句子的意思。而respectably意为“可敬的，值得尊敬地”。7将evide
ces改为evide
ce。evide
ce是不可数名词。8将ill改为ill
ess。9将year改为years。10将lesser改为less。
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