During the day we work and play, and at night we sleep. Our body rests while we sleep .In the morning we are ready to work and play again. Our body grows most while we are asleep. Children who are tired usually need sleep. We can get better at our lessons after we have had plenty of rest. Boys and girls who are eight or nine years old need ten hours of sleep every night.Our body needs plenty of air when we sleep. If  we do not get enough fresh air, we will feel tired when we wake up. While in bed we must not cover our head.Our lungs need to get enough fresh air. If we open our windows at night, we can have plenty of fresh air.Cool air is better than warm air.Boys and girls who want to be strong must get enough and plenty of sleep.

1.Our body grows most while we are.

A．eating            B．playing            C．sleeping          D．exercising

2.Too little sleep makes us

A．tired             B．hungry            C．happy            D．grow

3..What may cause us to feel tired in the morning?

A．Too much air                           B．Not enough fresh air

C．Too much cold air                       D．Too much sleep

4.How many hours of sleep should nine-year-old children have ?

A．Eight hours        B．Nine hours         C．Ten hours         D．Eleven hours

5.What does the lung need most ?

A．Fresh air          B．Covering          C．Warm air          D．Exercise

During the day we work and play; at night we sleep. Our bodies rest while we sleep. In the morning we are ready to work and play again. While we are asleep, our bodies grow most. Children who are tired usually need more sleep. We can get our lessons better and we feel better too, when we have had plenty of rest. Boys and girls who are eight or nine years old need ten hours of sleep every night. Our bodies need plenty of air when we sleep. If we do not get enough fresh（新鲜的）air we’ll feel tired when we wake up. While in bed we must not cover our heads. If we do, our lungs（肺）will not get enough fresh air. If we open our windows at night we can have plenty of fresh air. Cool air is better than warm air. Boys and girls who want to grow and be strong must get plenty of sleep.

1.Our bodies grow most while we are _______.

A．eating            B．playing            C．sleeping          D．waking

2.Which is better for us at night?

A．Hot air            B．Cool air           C．Warm air          D．Dry air

3.Too little sleep makes us ________.

A．happy            B．hungry            C．tired             D．grow

4.How much sleep should boys and girls of nine years have every night?

A．Eight hours        B．Nine hours         C．Ten hours         D．Eleven hours

5.What do the lungs need most?

A．Fresh air          B．Food             C．Rest              D．Exercise

During the day we work and play; at night we sleep. Our bodies rest while we sleep. In the morning we are ready to work and play again. While we are asleep our bodies grow most. Children usually need more sleep. We can get our lessons better and we feel better too, when we have plenty of rest. Boys and girls need ten hours of sleep every night when they are eight or nine years old. Our bodies need lots of air when we sleep. If we do not get enough fresh（新鲜的）air we’ll feel tired when we wake up. While in bed we must not cover our heads. If we do, our lungs（肺）will not get enough fresh air. If we open our windows at night we can have plenty of fresh air. Cool air is better then warm air. Boys and girls must get enough sleep if they want to grow and be strong.

1. Our bodies grow most while we are___________.

A．eating            B．playing            C．sleeping          D．waking

2. Which is the best air for us?

A．fresh air          B．Cool air           C．Warm air          D．Dry air

3. Too little sleep makes us_________.

A．nappy            B．hungry            C．tired             D．grow

4.How much sleep should boys and girls of nine years old have every night?

A．Eight hours                            B．Nine hours

C．Ten hours                             D．Seven hours

5.What do the lungs need most?

A．Fresh air          B．Food             C．Rest              D．Exercise

During the day we work and play and at night we sleep．Our bodies rest while we sleep．In the morning we are ready to work and play again．It is while we are asleep that our bodies grow most．When children feel tired and angry，they usually need more sleep．We can get our lessons better，and we feel better，too，when we have had plenty of rest．Boys and girls，eight or nine years old，need ten hours of sleep every night．Our bodies need plenty of air when we sleep．If we do not get enough fresh air we wake up feeling tired．While in bed we must not cover our heads．If we do，our lungs（肺）will not get enough flesh air．If we open our windows at night we can have plenty of flesh air．Cool air is better than warm air．Boys and gifts must get plenty of sleep if they want to grow and be strong．

（    ）1．Our bodies grow most while we are ________．

    A．eating                  B．playing                 C．sleeping          D．exercising

（    ）2．Which is the best air for us? __________air．

    A．Hot                     B．Cool                    C．Warm             D．Dry

（    ）3．What often makes us feel tired in the morning?

    A．Too much air．                                       B．Not enough fresh air．

    C．Too much cold air．                                   D．Too much sleep．

（    ）4．How call you get plenty of flesh air at night? You can __________．

    A．open your windows                                 B．not sleep in bed

    C．sleep ten hours                                          D．go to bed late

（    ）5．The writer is trying to tell boys and girls _________．

    A．to get their lessons better                          B．not to cover their heads

    C．how to go to bed                                       D．to get plenty of sleep

During the day we work and play and at night we sleep. Our bodies rest while we sleep. In the morning we are ready to work and play again. It is while we are asleep that our bodies grow most. When children feel tired and angry, they usually need more sleep. We can get our lessons better, and we feel better, too, when we have had plenty of rest. Boys and girls, eight or nine years old, need ten hours of sleep every night. Our bodies need plenty of air when we sleep. If we do not get enough fresh air we wake up feeling tired. While in bed we must not cover our heads. If we do, our lungs （肺） will not get enough fresh air. If we open our windows at night we can have plenty of fresh air. Cool air is better than warm air. Boys and girls must get plenty of sleep if they want to grow and be strong.

1．Our bodies grow most while we are ________.

    A．eating              B．playing              C．sleeping            D．exercising

2．Which is the best air for us?

    A．Hot air.            B．Cool air.             C．Warm air.           D．Dry air.

3．What often makes us feel tired in the morning?

    A．Too much air.                             B．Not enough fresh air.

    C．Too much cold air.                         D．Too much sleep.

4．How can you get plenty of fresh air at night? You can______.

    A．open your windows                        B．not sleep in bed

    C．sleep ten hours                            D．go to bed late

5．The writer is trying to tell boys and girls ______.

      A．to get their lessons better                     B．not to cover their heads

C．how to go to bed                                          D．to get plenty of sleep