2011年甘肃省兰州市中考英语试题及答案(解析)【2011•兰州】23. One of the difficulties we have English is how to remember new words and expressions.A. to learn B. in learning C. learn D. learned答案：B【解析】定语从句的用法。句中的主语含有一个定语从句，省略了关系代词that，one of the difficulties是作为定语从句中的宾语。have difficulty ( in ) doing sth.做某事有困难，句意“我们学习英语的一个困难是怎样记住新的单词和表达”，因此选B。【2011•兰州】24. Our Chinese teacher told us interesting story and story was about Thomas Edison.A. an; a B.the; the C.a; the D. an; the答案：D【解析】冠词的用法。句意“我们的语文老师给我们讲了一个有趣的故事，这个故事是关于托马斯•爱迪生的”，因此选D。【2011•兰州】25. — How do you like your Englsh teacher?— He is great. We friends since three years ago.A. were B. have made C. have been D. have become答案：C【解析】现在完成时态的用法。由答句中的since three years ago知，主语用现在完成时态，且动词用延续性动词，因此选C。【2011•兰州】26. 一 Hi, Jim! Is this your bike or Mary's?— It's mine, not .A. her B. him C. his D. hers答案：D【解析】名词性物主代词。答句意为“是我的，不是她的”，此处用名女性的名词性物主代词，因此选D。