完形填空。
The white snow is calling you to the hills,lakes and ponds.   1   sports are cool. Keep some important
safety tips(安全小贴士)inyour mind before  2  yourself
outdoors. Safetytips forall  3   :
Always keep yourself warm.Have some training lessons  4  you are new to a sport. Warm up before
all sports. Make sure you are in good physical condition (身体状况). When   5  , wear your helmet.
Always ski with a friend.  6  a hill far away from roads and parking lots. There should be no rocks or
trees. Make sure your bindings are not too tight.   7   skating, never skate by yourself and don't skate
too   8   to other people. Check your skating shoes before you  9  . If you skate on lakes or rivers, make
sure the  10  is thick enough. Neverskate near open water.
(     )1. A. Spring
(     )2. A. talking
(     )3. A. facts
(     )4. A. if
(     )5. A. playing
(     )6. A. Choose
(     )7. A. What
(     )8. A. young
(     )9. A. clean
(     )10. A. place

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