1.如果选proved话后面经常要加to be ，形容词或是由by +受词。
The main piece of evidence was proved to be planted (by police)
I was proved wrong.
The following theorem was proved by M.H. Stone.
全句之意是--->这个实验是在极有限的资源下来设计的，但它令人赞赏的创新被证明对未来的其他科学家是一个启发的来源。
2.prefer +Ving.....to+Ving=prefer..+rather than+原形动词
由于后面的doing...的关系，你只能选prefer...+to...
3.
1.Even though 代表一种目前的存在的现实= Although
2.Even if 代表一种假设语气=If
如果要选2的话，这个句子就必须改为
Even if she scored over 80, she wouldn't be stisified with her grade.
如果想深入探讨-->
http://www.bbc.co.uk/worldservice/learningen...t/learnitv122.shtml收工。
