Use of English Strategy Before you complete the gaps in a cloze task, read the whole text through to get a general sense of what it is about. When you've finished the task, read the whole text again to check the words you've added are correct in context. 4 Read the Strategy above. Then complete the gaps with a suitable word. Write one word in each gap. 1 Over the last century, public health messages have focused to the dangers of exposing the body to too much sunlight. However, the best way for the body to produce vitamin D 2 to expose the skin to sunlight. If people don't have ³ of vitamin D, their bones become weak and it can become painful for them to bad is sunlight for us? move around. So just 4 Sunlight is 5 UVA and UVB. Both UVA 6 up of two kinds of ultraviolet rays, UVB rays can be harmful to the body, but in different ways. UVB rays burn the top layer of the skin, 7. can lead to sunburn. UVB rays go deeper into the skin, resulting in the skin aging more quickly. Exposure to UVA and UVB rays can increase the risk 8 someone developing cancer. It's take care when outside on a sunny day. Avoid spending too much time in the sun 10 shine the hours of 11 a.m. and 3 p.m., when the sun's rays are strongest, and use suncream that has the right level of protection. of important, therefore, to​

1. has

2. is

3. enough

4. how

5. made

6. consist

7. which/that

8. of

9. to

10. during

11. 11