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            • 1． What could be   (1)  (much) perfect than a bike ride？ Bike     (2)   (ride) is a lot of fun， but accidents perhaps happen. Without a bike helmet， you're taking risks that may cost you your life. Every year， about 300,000 kids go to hospital   (3)  of bike accidents. Some of     (4)  .(they) are so serious that children die，usually from head   (5)   (injury). That's     (6)   it's so important to wear bike helmet. It is safe     (7)  your head. Your bike helmet should fit you     (8)  (proper). You don't want it too small or too big. Don't wear a hat under your bike helmet. Ask salesmen at the bike store if you're unsure   (9)  your helmet is suitable. Once you have the right helmet， you need to wear it right way. Make sure you can't pull   (10)  helmet around your head.
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