问题描述：
问下这些英语句子的语法问题
Recently implemented" shift-work equations" based on studies of the human sleep cycle have reduced sickness,sleeping on the job,（fatigue among shift workers,and have raised ）production efficiency in various industries.
这个句子中并列的成分不是have reduced 和have raised 为什么句子括号部分要改成 and fatigue among shift workers while raising呢?改前的句子是哪里错了呢?
some scientists have been critical of the laboratory tests conducted by the Federal Drug Administration on the grounds that the amounts of suspected carcinogens fed to animals far exceed those humans could consume
exceed的用法是直接加名词么?不用加than什么的嘛?
According to a recent study by Rutgers University,the number of women in state legislatures has grown in every election since 1968.
这里的the number of women in state legislatures has grown 为什么不可以改成:a growing number of women have been in state legislatures
另外如果说：the population changes of as many as ,or of more than 150 bird species are monitored.里的 as many as 和more than是不是不可以同时出现呢?汉语中有说法是大于或等于的.在英文中不能出现吗?
Recently implemented" shift-work equations" based on studies of the human sleep cycle have reduced sickness,sleeping on the job,（fatigue among shift workers,and have raised ）production efficiency in various industries.
这个句子中并列的成分不是have reduced 和have raised 为什么句子括号部分要改成 and fatigue among shift workers while raising呢?改前的句子是哪里错了呢?
some scientists have been critical of the laboratory tests conducted by the Federal Drug Administration on the grounds that the amounts of suspected carcinogens fed to animals far exceed those humans could consume
exceed的用法是直接加名词么?不用加than什么的嘛?
According to a recent study by Rutgers University,the number of women in state legislatures has grown in every election since 1968.
这里的the number of women in state legislatures has grown 为什么不可以改成:a growing number of women have been in state legislatures
另外如果说：the population changes of as many as ,or of more than 150 bird species are monitored.里的 as many as 和more than是不是不可以同时出现呢?汉语中有说法是大于或等于的.在英文中不能出现吗?
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