Every Chinese takes pride in our scientific （ 技术 ）， such as high﹣speed railway．
The old man lives （独自）．So he feels lonely．Let's go to visit him．
一Do you know my new friend Dale？
一I think I know him．He often （抽烟）heavily．
I am （饥饿的），could you please give me something to eat．
John likes milk and （面包）for breakfast．
When you talk to people from western countries，please a void the subjects like age，weight or money．