原因
1 A number of factors are accountablefor this situation
A number of factors might contributeto the phenomenon .
2.The answer to this problem involvesmany factors.
3.The phenomenonmainly stems from the fact that...
4.The factors that contribute to this situation include...
5.The change in ...largely results from the fact that...
6.We may blame ...,but the real causes are...
7.Part of the explanationsfor it is that ...
One of the most common factors (causes .is that ...
Another contributing factor (cause .is ...
Perhaps the primaryfactor is that
But the fundamental cause is that
中考英语易混词语用法讲解:all whole
中考英语易混词语用法讲解:be afraid to do(of doing)
中考英语易混词语用法讲解:used to/be used to
中考英语易混词语用法讲解:suggest insist
独家原创:中考英语近形词汇总(第二辑)
中考英语易混词语用法讲解:hand+介词
中考英语易混词语用法讲解:get+介词
2010中考英语重点句法考点16:状语从句
独家原创:中考英语近形词汇总(第一辑)
中考英语语法精讲:人称代词
2010中考英语重点句法考点15:反意疑问句
中考英语句型转换解析(一)--条件型句型转换
独家原创:中考英语近形词汇总(第三辑)
中考英语易混词语用法讲解:by(at) the end of/in the end
总结:初中英语重点反义词(组)大全
中考英语易混词语用法讲解:take+介词
2010中考英语满分秘诀:记住100组同义词(81-100组)
轻松掌握英语八种时态的六点建议
中考英语易混词语用法讲解:another/other(s)/the other(s)
2010中考英语满分秘诀:记住100组同义词
中考英语非谓语动词总结
中考英语易混词语用法讲解:real true
中考英语满分作文必备的8类典型句子
中考英语易混词语用法讲解:make off/make of/make up
2010中考英语重点语法词法考点十一:非谓语动词
中考英语易混词语用法讲解:what/who/how many
中考英语易混词语用法讲解:too/also/as well/either
2010中考英语重点句法考点12:主谓一致
2010中考英语重点句法考点14:感叹句
2010中考英语重点句法考点13:倒装句
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