23. It is obvious that this new rule is _________ to everyone without _________.

　　24. Last night he saw two dark _________ enter the building, and then there was the explosion.

　　25. This is what you should bear in mind: Don’t _________ on a salary increase before you actually get it.

　　26. Science and technology have _________in great ways to the improvement of agricultural production.

　　27. Salaries for _________ positions seem to be higher than for _________ ones.

　　28. Norman Davis will be remembered by many with _________ not only as a great scholar but also as a most delightful and _________ friend.

　　29. Can you give me even the slightest _________ as to where her son might be?

　　30. Tomorrow the mayor is to _________ a group of Canadian businessmen on a tour of the city

　　Unit Two

　　1. The _________ that exists among nations could certainly be lessened if misunderstanding and mistrust were removed

　　2. The writer was so _________ in her work that she didn’t notice him enter the room

　　3. The most basic reason why _________ should be preserved is that language helps to _________ a culture

　　4. Mass advertising helped to _________ the emphasis from the production of goods to their _________.

　　5. Because of his excellent administration, people lived in peace and _________ and all _________ neglected matters were taken care of.

　　6. Showing some sense of humor can be an _________ way to deal with some _________ situation

　　7. The mayor _________ the police officer a medal of honor for his heroic deed in rescuing the earthquake _________.

　　8. The native Canadians lived in _________ with nature, for they respected nature as a provider of life

　　9. All the arrangements should be completed _________ to your _________.

　　10. We need to create education standards that prepare our next generation who will be _________ with an even more _________ market

　　11. In the late seventies, the amount of fixed _________ required to produce one vehicle in Japan was roughly _________ to that in the United States

　　12. To speed up the _________ of letters, the Post Office introduced _________ sorting.