3 How important are our sense organs? Which sense organs do these people use? Circle the correct answers. (There can be more than one answer.)
Learning about dangers
1
2
ears eyes
nose
tongue
skin
ears eyes
nose
tongue
skin
4 How can we protect our sense organs? 1. How do these methods protect your eyes? Which ones do you do? Colour the .
2
20 sec
1
20 min
3 - 5 分 鐘
at least 30 cm
3 0 - 4 0 分 鐘
3 0 厘米以上
When you use electronic devices, you should ...
Keep your eyes ... from the book.
3
4
3
，
... when your eyes feel unwell.
Wear ... on sunny days.
。
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