Part Ⅵ Translation （5 minutes）
　　注意：此部分试题请在答题卡2上作答，只需写出译文部分。

　　87. Medical researchers are painfully aware that there are many problems __________. (他们至今还没有答案)

　　88. __________(大多数父母所关心的) is providing the best education possible for their children.

　　89. You'd better take a sweater with you __________. (以防天气变冷)

　　90. Through the project, many people have received training and __________. (决定自己创业)

　　91. The anti-virus agent（反病毒剂） was not known __________. (直到一名医生偶然发现了它)

　　答案：
　　87. that they haven't found answers to
　　88. What most parents are concerned about
　　89. in case it （should）turn(s) cold
　　90. decided to start their own business
　　91. until it was accidentally found by a doctor