句子翻译请根据中文及括号内的要求翻译下列句子
(共5题; 每小题4分, 满分20分)
小题1:威廉向那位女士鞠了一躬，送给她一个盒子，里面是一枚漂亮的真钻石戒指。(用定语从句)
小题2:大部分证据都被毁了。因此，不可能证明这种药物是有害的。(thus)
小题3:他善于交流，所以在工作中他和各种人打交道都应付自如。(gift; mix; manage)
小题4:是什么事使他不能参加我们的会议仍然是个谜。(含形式主语； prevent…from)
小题5:问题在于，人们怎样才能找到一种有效的方式来储存太阳的热量。 (表语从句)
小题1:William bowed to the lady and offered her a box inside which was a genuine diamond ring.
小题2: Most of the evidence is destroyed. Thus, it's impossible to prove that the drug is harmful.
小题3: He has a gift for communication, so he managed to mix with all kinds of people in his job.
小题4: It still remains a mystery what prevented him from attending our meeting.
小题5:The question is how people can find an effective way to store the sun’s heat.
题目分析：
小题1:William bowed to the lady and offered her a box inside which was a genuine diamond ring.
本题的关键在于后面的一个宾语从句，该宾语从句中使用了倒装句的句式
小题2: Most of the evidence is destroyed. Thus, it's impossible to prove that the drug is harmful.
本句的关键在于it作为形式主语以及系动词prove的用法，prove作为系动词，只有主动语态的形式。
小题3: He has a gift for communication, so he managed to mix with all kinds of people in his job.
固定搭配have a gift for…有…的天赋。Mix with…与…相处。
小题4: It still remains a mystery what prevented him from attending our meeting.
本句的关键在于It是一个形式主语，真正的主语是后面的what….主语从句。
小题5:The question is how people can find an effective way to store the sun’s heat.
本句的关键在于how引导的表语从句；以及表语从句中的the way to do sth做某事的方法。
点评：做这类题，不但要选择正确意义的词、词组及句型，还要根据具体语法和语境，选择适当的时态、语态及使用正确的词形。