【正文】 or the late arrival of this flight. 10. sign v. signature n. sign: Sign your name here, please. signature: I couldn’t read his signature.11 weight n. weigh v. weight: What’s your weight?weigh : I weigh 50kg. v. useful adj. useless adj. used adj. use: Can I use your pen?useful: The tool is useful.useless: The new machine is useless.used: I used to walk to school.13. wait v. waiter n. waitress n. wait : I’m waiting for the bus to e.waiter: There are 6 waiters in the restaurant.waitress: The waitress is kind to the customers. . v. amp。 v. All accidents must be reported to the police. Tom has got his school report. reporter n. He is a reporter from BBC. v. safe adj. amp。 adj. lightly adv. lighten v. lightning n. light n.amp。 v. He showed great interest in this book. interesting adj. The film is very interesting. interested adj. He is interested in the book. v. n. cooker n. cookery n. cook v.amp。v. surprising adj. surprised adj. surprisingly adv. surprise: They looked up in surprise when she walked in.surprised: It was very surprised too see Cara there I thought she still aboard. surprising: It is surprising how many adults can’t read or write surprisingly: Surprisingly, few people got the correct answer. surprisedly: He looked at me surprisedly. n. powerful adj. power what powers the motor in this machinepowerful: He’s one of the most powerful directors in Hollywood63. present v. represent v. representation n. present All the dancers were presented with fiowers.represent You will need a lawyer to represent you in court.representation The article plains about the representation of women in advertising v. developing adj. developed adj. development n. develop The economy of China develops quickly. developed a highly developed economy developing a developing countrydevelopment :the development of tourism in Cuba.65. Greece n. Greek adj. n. Egypt n. Egyptian adj. n. India n. Indian adj. n. Greece n.—Greek(s) n.\adj I live in Greece.—I’m a Greek.Egypt n.—Egyptian(s) n.\adj I live in Egypt.—I’m an Egyptian.India n.—Indian(s) n.\adj I live in India.—I’m an Indian.66. nation n. national adj. nationality n. international adj. national adj. I will go shopping on National Day.nation n. Which nation would you like to visit?nationality n. What’s your nationality?international adj. Shanghai is an international city.67. electric adj. electrical adj. electricity n. electrician n. electron n. electronic adj. electric The child likes electric toyselectrical The electrical appliances make us live fortable.elecrticity We use elcricity every dayelectrician She works as an electricianelectrion There is a electron microsoope（電子顯微鏡）electronic Eevery day many electronic equipments were bought by many people68. add v. addition n. in addition to 除…外 add v. Add 3 to 8, and how much will you get? addition n. She speaks five foreign languages in addition to English.69. accurate adj. accurately adv. accuracy n. accurate adj. Abacuses are so accurate and fast that people still use them now. accurately adv. We can do a calculation accurately.70. amaze v. amazing adj. amazed adj. amazement n. amazingly adv. amazedly amaze v. It amazes me that anyone could be so stupid. amazing adj. I have an amazing story to tell you. amazed adj. She