I. Vocabulary and Structure1. ---Do you mind if I sit here? --- _______ C________. A. Not at all. There is plenty of room. B. Of course. Do sit down, please. C. Never mind. I ’d like to have some companion. D. Sure. I ’d like to have someone to talk to 2. –Why do you always tell me what to do? To be frank, I don’t like it. --- I know, but __ D__. A. I don ’t like it either. B. How do I do for you? C. I just want the best for you. D. Obviously. You are right. 3. ----That was a delicious dinner. ----_ B_. A. Thank you. Don ’t mention it. B. You ’re welcome. C. Not so delicious, I ’m afraid. D. I ’m glad you enjoyed it. 4. --- You are most beautiful in that red sweater. --- __ C__. A. Oh, no. It ’s just an old one, and I have had it for years. B. Yes. I think it goes nicely with my pants. C. Thank you. My mom knitted it for me some years ago. D. Oh, but I ’m not sure if it suits me. 5. ---I missed Prof. Wang ’s linguistics class again yesterday. ----_____ C_____. A.Congratulations! B.How nice you are! C.What a pity! D.Have a nice weekend. 6. She couldn’ t understand his ____C_____ of country life to city life. A. liking B. reference C. preference D. loving 7. It is ___ A___ to walk on the top of the wall. A. dangerous B. serious C. notorious D. vigorous 8. His parents didn’ t consent to his ___A ___ with Mary. A. marriage B. dependence C. reliance D. charge 9. Basic chemical knowledge is a necessary ____ B_____ for research in any natural science. A. flat B. foundation C. base D. platform 10. A new __B___ in one branch of knowledge will probably have great influence on another. A. average B. discovery C. recovery D. coverage 11....