六级

brighten The new carpet brightened the room.

capsule The capsule failed to separate from the earth satellite.

carefree How wonderful it would be to be young and carefree again!

chronic Is your disease chronic or acute?

circulation Police say a number of forged banknotes are in circulation.

clearing This is the unorthodox view of a German soil scientist who has shown that

burnt clearings in the Amazon, dating back more than 1 000 years, helped

create patches of rich, fertile soil that farmers still benefit from today.

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collaboration Garment making typically calls for a collaboration among yarn spinners,

fabric weavers and sewing factories.

collide The government collided with parliament over its industrial plans.

commemorate The Nobel Prize is awarded to commemorate Nobel, the great chemist. commentary It affords a striking commentary on the limitations of our present

knowledge.

commonplace When leaving the house, she was heard to make some commonplace

remark to her husband.

complement A flaming dessert complemented the dinner.

compliment Your presence is a great compliment.

compulsory English is a compulsory subject in this course; Art is optional.

concise His letter was concise, omitting everything not pertinent to the job for which

he was applying.

condolence Through his spokesman he expressed his condolences on the victims of the

accident.

confidential You are probably on much more confidential terms with Kitty than I am. configuration We know little about the configuration of the star's surface.

conformity Young people today do not care so much about conformity- they do what

they like.

confrontation She wanted to avoid another confrontation with her father.

congressman There's not much prospect of Mr Smith's being elected as Congressman. constrain People with poor motives will always exist,” he says. “Sometimes

environments constrain those people and sometimes environments give

those people opportunity.”

contamination We must pay much attention to the contamination of the water supply. correlation People believe that there is a correlation between smoking and lung cancer. credible A will must be attested by two or more credible witnesses.

criterion Only social practice can be the criterion of truth.

cumulative It was a cumulative process.

decentralize The two major U.S. political parties are vast, sprawling, decentralized

conglomerations of varied ideological positions whose members do not

feel obliged to vote the way the party leaders tell them to do.

dedicate Dedicated to helping Beijing 2008 spread its theme of One World, One Dream

to every continent, Fuwa reflect the deep desire of the Chinese people to

reach out to the world in friendship through the Games.

defective May I return this machine if it's defective?