完成句子根据汉语意思完成下列句子，每空一词 (共20个空格；每空0.5分，满分10分)
【小题1】这种药物已经进行过人体试验；现在有一点是肯定的，它有可能降低得心脏病的风险。
The drug has been on humans. is certain now is that it has the to reduce the risk of heart attacks.
【小题2】人们建造动物园是为了拉近人类社会和大自然的距离。而且，动物园能为当地的旅游业做贡献，这肯定是对周围地区的经济发展有利的。
Zoos are built to shorten the distance between human society and nature. , zoos can local tourism, which is surely the economic development of the local neighborhoods.
【小题3】为了找出那起事故的真相，他一直在当年的报刊杂志中仔细搜寻，另外还查阅了所有相关的网页。
In order to find out the truth of the accident, he has been all the newspapers and magazines of that year, along with all the relevant web pages.
【小题4】研究显示有些将过多时间用于上网的学生已经辍学，他们往往会脱离周围的人和世界。
The study shows that some students, who spend too much time on the Internet, have and tend to the people and the world around them.
【小题5】在完成了一项为期三个月的工程后，她累坏了；为了放松一下，她已决定今年去法国度假。
She was after a three-month-long project and has France for her holiday this year for relaxation.tried out; What; potential
网友回答
(答案→)tried out; What; potential
解析：
【小题1】用过去分词；主语从句的引导词在从句中作主语，表示“什么”，故用What；用名词形式。
【小题2】What’s more是固定用法，意思是此外；情态动词后用动词原形；be beneficial to是固定用法，意思是对……有益。
【小题3】强调长时间做某事，用现在完成进行时。
【小题4】用现在完成时；withdraw from是固定用法，意思是离开。
【小题5】用形容词作表语；现在完成时，故用过去分词。