题目

---I’ve finally finished my research paper.---______________. It must have been a hard job.A.Don’t mention it. B.It doesn’t matter. C.Cheer up! D.Well done! 答案：【答案】D【解析】考查情景交际用语。句意：——我终于完成了我的研究论文。——做得好!这工作一定很辛苦。A. Don’t mention it.别提了；B. It doesn’t matter.没关系；C. Cheer up!高兴起来！D. Well done!做得好！结合句意故选D。1000克的铁和1吨棉花一样重。[ ]