11. Many people like white color as it is a ______ of purity. A. symbol B. sign C. signal D. symptom ...

1. This article ______ more attention to the problem of cultural interference in foreign language teaching and learning. A. calls for B. applies for C. cares for D. allows for ...

16. ______ in the office had made a mistake, and the firm regretted causing the customer inconvenience. A. Some B. Anyone C. One D. Someone ...

11. With the development in science and technology man can make various flowers ______ before their time. A. be bloomed B. blooming C. bloom D. bloomed ...

6. I would never have _____ a court of law if I hadn't been so desperate. A. sought for B. accounted for C. turned up D. resorted to ...

1. Operations which left patients _____ and in need of long periods of recovery time now leave them feeling relaxed and comfortable. A. exhausted B. abandoned C. injured D. deserted ...

6. If you are worried about the problem, you should do something about it. A. 错误 B. 正确 ...

1. Opposite the square is a very tall building, its top is well above the tops of the others. A. 错误 B. 正确 ...

16. _____ with the developed countries, some African countries are left far behind in terms of people's living standard. A. Compare B. To compare C. Compared D. Comparing ...

11. Since the introduction of the new technique, the production cost _____ greatly. A. reduces B. is reduced C. is reducing D. has been reduced ...