A. until B. but C. unless D. for

解析：检查考生对逻辑关联用语的掌握和运用能力。for引导的是并列分句。功能ⅰ）对前面的分句加以解释，ⅱ）说明推断的理由，for引导的句子只能后置。

答案：D

35. ______ about wild plants that they decided to make a trip to Madagascar for further research

A. So curious the couple was B. So curious were the couple

C. How curious the couple were D. The couple was such curious

解析：检查考生对倒装结构的掌握和运用能力(兼考主谓一致)。当so that 和such that 句中的so adj. / adv.和such + n位于句首时，用部分倒装。

答案：B

完形填空

On May 27, 1995, our life was suddenly changed. It happened a few minutes past three, 36 my husband, Chris, fell from his horse as it 37 over a fence. Chris was paralyzed (瘫痪) from the chest down, 38 to breathe normally. As he was thrown from his horse, we entered into a life of 39 with lots of unexpected challenges(挑战). We went from the "haves" to the “have-nots". Or so we thought. 40 what we discovered later were all the gifts that came out of 41 difficulties. We came to learn that something 42 could happen in a disaster . All over the world people 43 Chris so much that letters and postcards poured in every day. By the end of the third week in a 44 center in Virginia, about 35,000 pieces of 45 had been received and sorted. As 46 , we opened letter after letter. They gave us 47 and became a source of strength for us. We used them to 48 ourselves. I would go to the pile of letters marked with "Funny" if we needed a 49 , or to the "Disabled" box to find advice from people in wheelchairs or 50 in bed living happily and 51 . These letters, we realized, had to be shared. And so 52 we offer one of them to you.

Dear Chris,

My husband and I were so sorry to hear of your 53 accident last week. No