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We shall not drown if we remember these rules:
- Never swim alone.
- Never swim at a beach if there is no lifeguard.
- Never swim after a meal or when you feel hungry.
- Never rely on rings, floats or other swimming aids. You may lose them or they may let you sink.
- Do not stay in the water too long, especially if it is cold.
- Before you dive, be sure that the water is deep enough and that you will not hit anybody.
- Never go out in a boat if you can’t swim or if you are not wearing a life jacket.
If you fall into difficulty, this is that you should do:
1. Keep calm. Save your strength and breath.
2. Try to float on your back or tread(踩)water. To tread water, move your feet as if you are climbing some stairs.
3. Raise your right arm for help.
Remember: A red flag means that it is dangerous for all swimmers to enter the water. A blue flag means that it is dangerous for children and weak swimmers to enter the water.
1.When you see a red flag, you know that .
A. no one should swim there
B. anyone may swim there
C. only strong swimmers should swim there
D. children should swim there
2.We can go swimming .
A. after a meal B. if we have a ring
C. in deep cold water D. with our friends
3.We should dive only when .
A. the water is deep enough
B. the water is warm
C. the water is cold
D. we are not alone
4.What the writer wants to say is .
A. rings and floats are of no use
B. boats are not safe
C. we must be very careful in swimming
D. swimming is a bad sport
5.We should when in difficulty.
A. hold our breath
B. keep calm and let other know
C. put up our arms
D. be silent
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According to the school rules,no student go out of the school after eleven o’clock.
A.will B.must C.may D.shall
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There is no food left and the grocery stores are shut so you have to ________.
A.go without
B.go out
C.go mad
D.go wrong
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