e在加强前提，而前提已经是确定的了，不需要加强

中间的conclusion：They reason that, since top executives evidently have faith in the bank's financial soundness, those worrisome rumors must be false.

The first describes evidence that has been taken as supporting a conclusion; the second gives a reason for questioning that support.

very many fewer miles更少的

If D is true, we are given that competitive people believed that they were less likely to win with more people. Hence it makes sense that they would feel that extreme effort would not be worthwhile in the 500 participant race. Then our explanation makes more sense. Correct.

LC: top10% get $1000, volunteers inclined to run slower in 500 VS 50 --> extreme effort would not be worthwhile in the 500-competitor race (explanation)
justify the explanation: 需要和说的原因沾边： 只有D

1、如果某段话有被其他话support，那么他属于conclusion；
2、如果某段话有support其他话，那么他属于premise；
3、以上两点不冲突，即某句话既可以既是premise同时也是conclusion。

要反驳的其实是这句Imposing the fee at the time of salvage would reduce waste more effectively，d反而对此有利

平均每一英里的花费上，那些坐飞机的人比用其它交通方式的人花费了更多。本选项有些迷惑性。我们从推理文段中无法得知几种交通方式行进的英里数，因此，平均每一英里的花费就更加没法计算了。

C： when引导的时间状语从句强调从句和主句的动作发生的同时性；如果理解成“通过使用新的方法，科学家们检查了祖先们的磨牙”更加合适，即apply作为exam的方式状语，而非时间状语

Although Woodco plans to cut its emissions in half two years ahead of schedule, 提前两年开始减排

mine heat的目的是为了produce energy，两个动词不应该是and连接平行的关系

第一句话整体主要结论

Improvements in the quality of the advertising materials used in mail that is carefully targeted to individuals can improve the response rate for such mail. 重点在quality而不是target 跑题。
d错

ab还是在否认前提，问题前提是这项举措是能够让员工在very sick的情况下才去看病的，否认前提的都不对

另外需要注意only修饰的对象，根据意思应该是“只允许钱花在教师身上，而不是书本、电脑等其他东西”
选项ACE中only修饰都是spend：只允许花钱

demand后面跟的that引导的同位语从句需要用虚拟语气should+ do

be geared to/toward+ doing ，旨在做某事

as+句子，like+名词

his own times..在他的时代中，过去式的时间标志

看错选项里的内容了...