新概念2-L7及练习.doc

巧计定冠词the用法歌诀： ?? 特指双方熟悉，上文已经提起。 ?? 世上独一无二，方位名词乐器。 ?? 某些专有名词，还有复数姓氏。 ?? 序数词最高级，习惯用语要牢记。 L7 1. detective: an a person whose job is to solve crimes.(esp. police officer) 2. airport: 机场 3. expect :v. 1) think that sth will happen 预料，指望 *I expect that he will be back on next Sunday. *You can’t expect to learn English well in one week. *You can’t expect him to come here on time. 2)hope that one will receive sth 期望，盼望（得到某物） ?? *His birthday is coming, he is expecting a gift from his parents. ?? Phrase: expect too much of sb 对某人期望过高 ? *I can’t finished the work by myself, you expect too much of me. 4. valuable : adj. Worth a lot of money. Precious, expensive ó valueless ,cheap 5. parcel :n package (US) 包裹 6. diamond n. a kind of valuable stone 钻石? 方块（spade, club, heart） 7. steal ( stole , stolen ) v. get sth from sb secretly without permission.偷 steal sth from sb??? (thief) *He stole 200 yuan from me when I was on bus.( pickpocket) He stole a packet of instant noodle from the supermarket. ( shoplifter) He got into my room and stole my laptop last night. ( burglar) 8. main adj. Major, chief, the most important. 主要的 Your main task is to learn knowledge. 9. airfield :飞机起落的场地 10.????????? guard： n. 警戒，守卫, 警卫。 *His job is to keep guard at the door of the bank. On the way to the stadium, the pop singer is protected by his bodyguard. ?????????? v. keep safe , protect 保卫，保护 ?? We can enjoy peaceful lives mainly because the PLA soldiers are guarding the border of our country. 11.????????? precious :adj. Valuable 珍贵的，贵重的 12.????????? stone: 石头 13.????????? sand : 沙子 14.????????? ?the Customs House 海关 15．To one’s surprise 让某人吃惊的是 *To my surprise, he was absent yesterday. ? Grammar: 过去进行时：表示过去的某个时刻正在发生的动作。 两个过去的动作同时发生： 1）? 动作长的用进行时，短的用过去时 2）? 动作先开始的用进行时，后开始的用过去时 3）? 如果表示分工状况，都用进行时 4）? 瞬间动词无进行时态，用过去时 ?? 1.??????? He _______ his leg when he _______ in a football match.?A broke, played??????? B was breaking, was playing ?C broke, was playing?? D was breaking, played2. As she _______