1. The car runs at approximately 80 miles per hour.
    这辆车每小时大概跑八十英里。

2. The graph shows the fluctuation of the temperature at each hour.
    曲线图显示了每小时温度的变化。

3. The graph shows the fluctuation of the temperature at each hour.
    曲线图显示了每小时温度的变化。

4. There are 60 minutes in an hour.
    一小时有六十分钟.

5. The vicar preached to the congregation for half an hour.
    那位教区牧师向会众讲道半个小时.

6. Travelling at a height of 30,000 feet, far above the clouds, and at over 500 miles an hour is an exhilarating experience.
    腾云驾雾，在30，000 英尺高空以500英里的时速旅行，这种经历令人心旷神怡。

7. The guest who arrives half an hour too soon is the greatest nuisance.
    客人提前半小时到达是令人讨厌的。

8. The only thing to do was ask them to come half an hour later than the other guests.
    唯一的办法就是请他们比别的客人晚来半小时。

9. The winning car reached a speed of forty miles an hour----much faster than any of its rivals.
    获胜的那辆车达到了时速40英里--远远超过任何对手。

10. The great racing driver, Sir Malcolm Campbell, was the first man to drive at over 300 miles per hour.
    杰出的赛车选手马尔科姆.坎贝尔爵士是第一个以每小时超过300英里的速度驾车的人。