【简答题】完成课本Unit 2 Section 1 Part 2 Listening and Note-Taking练习,并将答案填写在对应答题框内。 A. Ralph Nader is ___________ possessions. He is paying back to American his debt _____________. He said new laws ______________ ...
【简答题】After the passage the author will talk about ____ A) the principles of designing lenses B) techniques of contact lenses C) the design of photographic lenses D) styles of lenses