单选题28. His aim was to ______ pride in being black and to inspire black Americans to campaign for equal rights.

单选题21. We are all for your proposal that the discussion ______.

单选题30. Never for one moment ______ that it could happen to her.

单选题 They helped us many times

单选题16. We cannot choose whether we will pay income tax or not, because payment of income tax is ______.

单选题27. —What a wonderful dinner! —Thank you. ______

单选题8. A country ______ birth rate is higher than its death rate will have an increasing population.

单选题26. She wanted to know what ______ at the meeting.

单选题 All the things ______

单选题. People and the sources of air pollution are found in the same places. This means that cities with large populations have the biggest problem of dirty air. Air pollution is caused by many different things. A major source of air pollution is the gas fumes (烟) from cars. Another major source of dirty air is the burning of coal and oil for energy. This energy is needed to make electricity. Of course, much more electricity is used in the city than in the country. On the average, we throw away more trash and garbage than the year before. The burning of garbage leads to air pollution. Many major industries are also the cause of the dirty air in and around the cities. The fumes from iron, steel, chemical, and petroleum production add particles(粉尘) to the air. The effects of air pollution range from mild headaches to death. The levels of pollution found in heavy traffic may cause headaches for loss of clear sight. Wherever coal and oil are used for fuel, fumes may kill trees and plants. In some of the larger cities, these fumes endanger the lives of human beings by leading to lung diseases and causing early death.1. From the passage, we know that ______.

单选题11. You should not ______ too much from him even if he has made a promise.

单选题9. The students were assigned different tasks according to their ______ abilities.

单选题8. Young people are redefining for themselves______ it means to be a man or a woman.

单选题According to psychologists(心理学家)

单选题24. His anger was ______ that he stood there speechless.

单选题22. The boy listed several examples ______ his viewpoints.

单选题 When asked by news reporters

单选题 ______ any change about the date

单选题34. The officer insisted that Michael did not follow the correct ______ in applying for a visa.

单选题19. The reason why I came back is ______ she would have been very angry if I hadn't.