匹配题一( ) 1. Using your computer correctly.( ) 2. The way to save paper.( ) 3. A beautiful bridge( ) 4. A fast and cheap way to send a message( ) 5. Experiencing yesterday and tomorrow in one dayA. Many people use the paper only on one side. Why not use both sides? Some students only use half thepages in their notebooks. Try to use up all the paper.B. In San Francisco, there is a beautiful bridge. It took more than four years to build it, and the construction was f
