open cloze 7

Fill in the blanks with one word.

Like lightning…

From the (0)…beginning… of time people have been amazed and frightened (1) ……………… storms. Worldwide, about 2,000 thunderstorms and 100 lightning strikes happen (2) ………………….. second. According to scientists, we all have a one in 600,000 chance of being struck by lightning. So we are (3) …………………… more likely to be struck by lightning (4) ……………. Win the lottery!

There are many different types of lightning but the two most usual (5) ……………………. Are “sheet” and “ribbon” lightning. Sheet lightning is more common than ribbon lightning and is the kind that lights up the (6) …………………… sky. Ribbon lightning is the kind that zigzags to the ground,

A typical lightning bolt travels at a tenth of the (7) ………………… of light and is often more than five kilometres long. It has hundreds of millions of volts of energy – (8) ………………………. to light a 100-watt light bulb for at (9) ……………………….. three minutes. (10) …………………….. in a lightning bolt get as high as 50,000 *F and, because they rise so fast, there is an explosion that that we (11) …………… as thunder. If you want calculate how near you are to a lightning flash, count the number of seconds between the lightning flash and the (12) …………….. of thunder and divide by five. The result gives you the approximate number of miles you are away from lightning.

klucz:

1. by

2. every

3. actually

4. than

5. types

6. whole

7. speed

8. enough

9. least

10. Temperatures

11. experience

12 clap


źródło: fce, use of English 1, Virginia Evans