下列各句句意明确没有语病的一句是（）

下列词语中，字形和加点字的读音全都正确的一项是（ ）（3分）

ea of fish being able to produceelectricity strong enough to light a lamp is almost unbelievable, _____ severalkinds of fish are really able to do this

Many people thought little of me, but I did what _____

The potato chips have been in the paper bag for half an hour. They are not _____ any more.