27.Under the present system, state enterprises must ______ all profits to the government.

　　A) turn down

　　B) turn up

　　C) turn out

　　D) turn in

　　28.Oil companies in the U.S. are already beginning to feel the pressure. Refinery workers and petroleum-equipment-manufacturing employees are being _______.

　　A) laid out

　　B) laid off

　　C) laid down

　　D) laid aside

　　29.We'll ______ you for any damage done to your house while we are in it.

　　A) compensate

　　B) remedy

　　C) supplement

　　D) retrieve

　　30.She cut her hair short and tried to ______ herself as a man.

　　A) decorate

　　B) disguise

　　C) fabricate

　　D) fake

　　2001年1月六级试题

　　1. Starting with the ________ that there is life on the planet Mars, the scientist went on to develop his argument.

　　A) premise

　　B) pretext

　　C) foundation

　　D) presentation

　　2. After several nuclear disasters, a ________ has raged over the safety of nuclear energy.

　　A) quarrel

　　B) suspicion

　　C) verdict

　　D) controversy

　　3. Their diplomatic principles completely laid bare their ________ for world conquest.

　　A) admiration

　　B) ambition

　　C) administration

　　D)orientation