新pep六年级英语上册UnitBLet'slearnPPT课件.pptx

文档介绍：light
traffic lights
lights
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They are traffic lights.
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What colors are they?
red
yellow
green
a
light
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What colour is the traffic light?Can you guess?
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What does the red light mean?
Stop and wait
at a red light.
表示…的意思
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What colour is the traffic light?
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What should we do when the traffic light is green?
Go at a green light.
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What color is the traffic light ?
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What should we do when the traffic light is yellow?
Slow down and stop
at a yellow light.
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Slow down and stop
慢下来并停下。
小贴士：slow(反义词)—fast
down(反义词)—up
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