习题：

　　1. It is __________________ (当物体加热时)that the average speed of molecules is increased.
　　2. In family, she showed her special favor toward the youngest son, _____________________ (这使得其他的几个孩子嫉妒).
　　3. Regarding our current Director of Finance, ____________________ (他去或留) is no consequence to me.
　　4. The offence which he ___________________ (被控告) carries a heavy penalty according to the law.
　　5. The fact is that Chinese scientists _______________________ (已取得巨大进步)in this field in the past few years.
　　

　　答案：
　　1. It is when an object is heated (当物体加热时)that the average speed of molecules is increased.
　　(本句是一个强调句型，被强调的部分是一个时间状语从句，还有，加热和物体之间的逻辑关系是被动关系，故要用被动语态)
　　2. In family, she showed her special favor toward the youngest son, which made the others jealous (这使得其他的几个孩子嫉妒).
　　(本题考查非限定性定语从句，要用which引导，短语“使…嫉妒”的表达方式是make sb. jealous)
　　3. Regarding our current Director of Finance, whether he goes or stays (他去或留) is no consequence to me.
　　(本题考查句型“…或者…”的表达方式是whether…or…)　　

　　4. The offence which he is accused of (被控告) carries a heavy penalty according to the law.
　　(本题考查短语“控告” 的表达方式是accuse sb. Of sth)
　　5. The fact is that Chinese scientists have made great progress (已取得巨大进步)in this field in the past few years.
　　(本题考查短语“取得进步” 的表达方式是make progress)