Unit 7Will people have robots?Language Goal【语言目标】Make predictions：in this unit，students imagine what the future will be like and make predictions.Knowledge Goals【知识目标】Key Wordspaper，pollution，future，pollute，environment，planet，earth，plant，part，peace，sea，sky，apartment，space，human，dangerous，already，factory，believe，disagree，shape，fall，inside，possible，impossible，side，probably，during，holiday，wordKey Phrasesin the future，in great danger，live on the earth，play a part，space station，h
