241.His name is on the________ of my tongue, but I just can’t remember it.

　　A) edge

　　B) point

　　C) tip

　　D) top

　　242.The ability to use a language can be________ only by the act of using the language.

　　A) acquired

　　B) required

　　C) performed

　　D) perfected

　　243.The explorer________ all the way to the source of the river by coat.

　　A) drove

　　B) travelled

　　C) rode

　　D) tracked

　　244.It is the responsibility of the police to________ law and order in the city.

　　A) retain

　　B) sustain

　　C) restrain

　　D) maintain

　　245.The situation very soon got________ in that country.

　　A) into hand

　　B) out of hand

　　C) off hand

　　D) at hand

　　246.The customs inspector was________ for smugglers.

　　A) on the watch

　　B) on the guard

　　C) on watch

　　D) at alert

　　247.Trains stop here in order to________ passengers.

　　A) get off

　　B) pull up

　　C) pick up

　　D) pull in

　　248.I________ several interesting facts about Mexico in that book.

　　A) came to

　　B) came over

　　C) came into

　　D) came across

　　249.It’s a pity that he is blind________ his own faults.

　　A) at

　　B) with

　　C) by

　　D) to

　　250.Join did it________ his will. He did not really want to do it.

　　A) against

　　B) in

　　C) to

　　D) at

　　251.During that hard winter, the workers in Detroit went________ strike.

　　A) into

　　B) in

　　C) on

　　D) to

　　252.They took________ measures to prevent poisonous gases from escaping.

　　A) efficient

　　B) beneficial

　　C) valid

　　D) effective

　　253.Can a novelist remain________ to the problems of the world in which he lives.

　　A) impartial

　　B) indifferent

　　C) careless

　　D) detached

　　254.That story you have just told________ me of an experience I once had.

　　A) informs

　　B) recalls

　　C) reminds

　　D) refreshs

　　255.________ to the Revolutionary War, the United States was an English colony.

　　A) Prior

　　B) Before

　　C) Preceding

　　D) Following

　　256.This room is partly________ with a few old armchairs.

　　A) provided

　　B) decorated

　　C) beautified

　　D) furnished

　　257.Jane was fairly good at English, but in mathematics she could not________ the rest of the students in her class.

　　A) put up with

　　B) keep up with

　　C) do away with

　　D) run away with

　　258.Standing on the seashore, we could just see the ship on the________ .

　　A) edge

　　B) earth

　　C) horizon

　　D) view

　　259.This album is________ as it was the only one ever signed by the President.

　　A) unusual

　　B) unique

　　C) rare

　　D) singular

　　260.They have had a good harvest for three years in________ .

　　A) line

　　B) end

　　C) row

　　D) succession