Share 1单元-lesson 4-跨学科词汇
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Mars is a ______ that goes around the sun.
planet
plastic
gas
We all live on ______.
gas
Earth
planet
We need ______ to breathe every day.
plastic
air
light
Fish cannot live without ______ in the water.
oxygen
air
gas
There is ______ in the balloon
plastic
Earth
but you cannot see it.
gas
This bottle is made of ______.
plastic
planet
oxygen
We should ______ paper instead of throwing it away.
planet
recycle
save
Don’t forget to ______ when you finish brushing your teeth.
recycle
save
turn off the tap
Please ______ before you leave the room.
wake up
turn off the light
recycle
We try to ______ water at home by using less.
save
planet
gas
Jupiter is the biggest ______ in our solar system.
plastic
planet
light
Plants and animals cannot live without ______.
recycle
oxygen
plastic
People make bags and bottles from ______.
Earth
planet
plastic
If you see rubbish
gas
you should put it in the ______ bin.
recycle
oxygen
It is ______ to save energy by turning off the light.
important
gas
dirty
