二、构建关联
Choose one problem you meet in daily life and design an invention to solve it. Describe the problem and explain how the invention works to solve it.______

I often lose my eraser and waste time looking for it, so I want to design an Eraser Tracker. It has a tiny chip inside the eraser. When I can't find it, I can press a button on my pencil case to make the chip beep.

一、用 good、bad、far 的比较级/最高级和(not)as … as 填空
Dad: Let’s plan our summer trip! We have three choices: Local Park, Coastal Town, and Mountain Village.
Sam: I know Local Park is near, but Coastal Town is 1. ______ (far) than it. Mountain Village is the 2. ______ (far) of all.
Mum: Right. But Coastal Town has 3. ______ (good) scenery than Local Park. Mountain Village has the 4. ______ (good) scenery — it’s famous for its mountains!
Dad: But Mountain Village’s crowds are 5. ______ (bad) than Coastal Town’s. It’s more crowded there.
Sam: Hmm … Is Mountain Village’s food 6. ______ delicious ______ Coastal Town’s?
Mum: I think so! And the air there is 7. ______ fresh ______ in a forest.
Sam: And its beauty is 8. ______ (good) than any other place.
Mum: Okay, let’s go to Mountain Village. It might be the 9. ______ (good) trip we’ve ever had!

1. farther 2. farthest 3. better 4. best 5. worse 6. as; as 7. as; as 8. better 9. best