изучение английского языка
Английский в контексте
Упражнения по английскому
Видовременная система глагола упражнение №3
Fill each of the numbered blanks using the verbs given in the brackets. The first answer has been given as an example.
WARNING UP FOR SPRING (By Science Correspondent)
If you (
(to plan) a weekend break this spring, you can leave the woolies and thermos at home.
(to be) the verdict of scientists who (
(to design) a computer which can predict the weather up to five months in advance.
Their climate modelling machine — which (
(to make) a billion calculations a second — (
(to say) we (
(to be) in for a warmer than usual spring and early summer, with normal rainfall for the time of year.
And while it cannot yet reveal whether you (
(to need) an umbrella at the Wimbledon finals or anti-freeze on August bank holiday weekend, the 'broad brush' forecast (
(to say) to be the most accurate yet.
The computer, based at the European Centre for Medium Range Weather Forecasts in Reading, (
(to use) a million readings of air pressure, sea and air temperatures, and wind speed and direction to calculate the weather. It (
(to take) 300 hours — more than 12 days — to produce a three-month prediction.
(to be) the first time that established experts (
(to dare) to predict so far ahead.
The day-to-day forecasts delivered by weathermen rely on the movement of short-term weather fronts. They generally (
(to predict) only a week ahead and rarely (
(to get) it totally right.
But the new system, which (
(to take) six years to develop and (
(partly to fund) by the Met Office, (
(to use) the movement of hot and cold water in the oceans — an important factor in predicting temperature and rainfall.
It can also forecast extreme weather events such as tornadoes, floods and droughts — which (
(to prevent) a repeat of October 15, 1987, when Michael Fish (
(to tell) viewers that reports of a hurricane (
(to be) untrue.
The 120mph storm that night (
(to kill) 20 people, (
(to flatten) 15 million trees and (
(to cause) ?1.5 billion damage.
Dr Tim Stockdale, who (
(to report) his success in Nature magazine today, (
(to say): 'You (
(not to get) much detail. But the performance over the last year (
(to be) really quite impressive.'
Изучение английского языка