It is quite fun to play in the water on a hot summer day.However，playing in the water can be （1）

A

A

if you don't follow the rules of water safety.
   The first rule is to always swim with a friend.If you have a （2）

C

C

，the friend can help you or run to get help.Besides，it is always more fun if you have a friend to （3）

B

B

.It is best to go swimming with an adult，（4）

C

C

if you are not a good swimmer.Never swim at a beach where there is no life guard or adult around.
   Sometimes people get injured（受傷的）in swimming pools.Most injuries are a （5）

A

A

of children running and slipping（滑倒）on wet pool surfaces. （6）

C

C

you are a beginner，always stay in the shallow end（淺水區(qū)）.
   If you swim in a river or lake，be sure to （7）

B

B

what is below the water surface.If you jump into unknown waters，you （8）

A

A

seriously injure yourself on a hidden object.If you go boating，always wear a life jacket.
   Swimming and boating are （9）

C

C

the most enjoyable summer activities.Protect yourself by （10）

B

B

these basic rules of safety and you'll have more fun.

（1）	A.dangerous	B.boring	C.safe
（2）	A.chance	B.dream	C.problem
（3）	A.wake up	B.play with	C.give up
（4）	A.clearly	B.probably	C.especially
（5）	A.result	B.tool	C.goal
（6）	A.Because	B.Though	C.If
（7）	A.try	B.check	C.guess
（8）	A.may	B.must	C.should
（9）	A.on	B.for	C.among
（10）	A.making	B.following	C.breaking