【正文】
w the best way of getting to places, she insisted that we (should) find the source of the river.3. Have you ever seen snowmen ride bicycles? (metaphor)4. To climb the mountain road was hard work but to go down the hills was great fun.5. After graduating from college, we finally got the chance to take a bike trip.6. Ever since middle school, … I have dreamed about taking a great bike trip.7. they are Dai, … near the Langcang River, the Chinese part of the river that is called the Mekong River in other countries.It makes wide bends or meanders through low valleys to the plains where rice grows. 高一年級(jí)英語(yǔ)必修一知識(shí)點(diǎn)