SAT语法问题1.Alerted by the nervousness and evasiveness of the w

SAT语法问题
1.Alerted by the nervousness and evasiveness of the witness,the jurors were quick to perceive that his statements were inconsistent to those he had made earlier.
这里inconsistent to 哪里错了?
2.Far away from having been a diehard conservative,Hoover was,some scholars now contend,the leading progressive of his day.
这里Far away from 错了.是不是因为应该是Far from,可是我查了下,far away from也是远离,是不是因为它没有引申义所以才错了?
3.The department of transportation has introduced pictorial traffic signs because drivers can react to this more quickly than to verbal ones.
这里this错了,难道要用those或者these?
4.Although naturalists have identified six hundred different forms of the corion snail,there is actually no more than two true species within this genus.
这里is 错了,为什么?no more than two 不就是one吗?不用单数吗?
5.In the wild,pygmy chimpanzees are found only in an inaccessible region south of the Zaire River,(and so no more than a few are in captivity).
括号中换成and very few are in captivity because of that为什么不可以呢?