21.Scientists in the world are expected to find a(n) _____ to the problem of over population.

　　A、reply

　　B、solution

　　C、response

　　D、answer

　　22.We have been told that the contract in question is _____ for one year starting from the June.

　　A、useful

　　B、efficient

　　C、practical

　　D、effective

　　23.When it comes to job interview, first _____ are important.

　　A、reflections

　　B、impressions

　　C、reactions

　　D、comments

　　24.Let’s ask Linda to take part in the contest since she has a _____ for music.

　　A、gift

　　B、hobby

　　C、present

　　D、desire

　　25.Where unemployment and crime rates are high, it can be assumed that the _____ is due to the former.

　　A、later

　　B、last

　　C、latter

　　D、late

　　26.Research is an active and formally organized search for _____ information for a specific purpose.

　　A、especial

　　B、particular

　　C、special

　　D、specific

　　27.National _____ are becoming increasingly meaningless in the global economy.

　　A、margins

　　B、edges

　　C、divisions

　　D、boundaries

　　28.A special _____ should be laid on the necessity of team cooperation.

　　A、attention

　　B、emphasis

　　C、notice

　　D、importance

　　29.Julia likes to rent a house, which is comfortable, well-equipped and, _____, in a quiet neighborhood.

　　A、all in all

　　B、at all

　　C、above all

　　D、after all

　　30.The poor old man was _____ yesterday when he was crossing the street.

　　A、run into

　　B、run out

　　C、run over

　　D、run through

　　31.With a total of 1,300 million people, China is one of the most densely _____ countries in the world.

　　A、populated

　　B、polluted

　　C、crowded

　　D、concentrated

　　32.It wasn’t a good thing; _____, it was a huge mistake.

　　A、on the whole

　　B、on the contrary

　　C、on the average

　　D、on the other hand

　　33.It’s a shame that he is still _____ his parents; he is already 25 years old.

　　A、depending on

　　B、growing on

　　C、focusing on

　　D、feeding on

　　34.Will you _____ it that this letter gets mailed today?

　　A、see off

　　B、see to

　　C、look after

　　D、look into

　　35.She _____ her research into the cause of cancer in spite of financial problems.

　　A、carried away

　　B、put forward

　　C、consisted in

　　D、persisted in

　　36.Tim stopped and stayed for a moment to _____ himself that he was not being followed.

　　A、insure

　　B、assure

　　C、confirm

　　D、confine

　　37.Many foreigners in China enjoy watching the news on CCTV _____ .

　　A、Program

　　B、Performance

　　C、Channel

　　D、Play

　　38.I tried to get through, but there were too many people _____ my way.

　　A、blocking

　　B、delaying

　　C、holding

　　D、stopping

　　39.To _____ their new product, they are selling it at half price for a month.

　　A、raise

　　B、improve

　　C、promote

　　D、increase

　　40.The local authorities decided to keep the old temple for its historical _____.

　　A、value

　　B、benefit

　　C、wealth

　　D、property

emember what happened on that day.