填空题 .Everybody makes language mistakes, whether it is in their own language or a foreign language. Sometimes instead of the word that they wanted to say, a speaker uses a similar-sounding word. This is called a malapropism,     1    the French phrase mal à propos, which means "inappropriate". Malapropisms occur in everyday conversations, on the radio, in speeches and presentations. In some cases the word sounds strange. However, mistakes     2    a civil serpent instead of a civil servant can be very funny, particularly when they are said by a well-known person in a particular cont    3    . Sports commentators and politicians seem to produce the funniest malapropisms. For    4    U.S. president George W. Bush, for example, made so many malapropisms and other     5    (linguist) errors that these mistakes became known as "Bushisms". His classic slips of the ton    6    included nuclear power pants instead of nuclear power plants.