Заполните пропуски в предложениях, используя следующие слова:
mean means meaning meant

1. Computer technique is one of the ........ of modern planning and control.
2. By ........ of computers and mathematical modelling it is possible to process a huge amount of information in a short period of time.
3. Britain is not rich in mineral resources. It ......... that until recently coal was the only fuel available in the country.
4. What do you ......... to do? Are you going to have your practical training at a mine or at an open-cast mine?
5. You know that the word range has several .......