问题
填空题
采掘工作面的爆破撤人距离和爆破后进入工作面的时间，必须在（）明确规定
答案
参考答案：作业规程中
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采掘工作面的爆破撤人距离和爆破后进入工作面的时间，必须在（）明确规定
参考答案：作业规程中
| 完形填空。 |
| Concorde's Birthday CONCORDE, the world's fastest passenger plane, will soon be over 33 years old. It first 1.______ on 2 March 1969 in France. Concorde was developed by both France and Britain. From 1956 these two countries had a 2.______ of a supersonic passenger plane. In 1962 they started to 3.______ together on the project. The plane 4.______ over 1.5 billion pounds to develop. It is the most tested plane in the history. It was given over 5000 hours of testing. Concorde flies at twice the speed of 5.______. This means that it 6.______ only 3 hours 25 minutes to fly between London and New York, compare with 7-8 hours in other passenger jets. Because of the five-hour time difference between the USA and Britain, it is 7.______ to travel west on Concorde and arrive in New York before you leave London! You can catch the 10:30a.m. 8.______ from London, Heathrow and start work in New York an hour 9.______! Concorde is much used by business people and film stars. Each Concorde is built at a cost of 55 million pounds. Twenty have been built so far. Air France and British Airway 10.______ the most. They each have seven planes. |
| ( )1. A. invented ( )2. A. talk ( )3. A. work ( )4. A. paid ( )5. A. voice ( )6. A. spends ( )7. A. possible ( )8. A. plane ( )9. A. later ( )10. A. build | B. produced B. dream B. do B. wanted B. sound B. takes B. impossible B. passenger B. late B. make | C. flew C. meeting C. carry C. needed C. noise C. covers C. real C. flight C. earlier C. sell | D. took off D. fight D. finish D. cost D. shout D. travels D. unreal D. airline D. early D. own |