07 U7 In the future-2019-2020学年下学期七年级英语知识点精讲精练（上海牛津版）

7B U6 Hard work for a better life 【知识点梳理】 1． 重点词汇和短语 1. sign v. 签名； n. 标志 signature n. 签名 ['sɪgnətʃə] ◆ Sign here, please. He signed his name on the contract（合同）. ◆ Where can we see this sign? The sign says “no parking”. ◆ I want the famous singer’s signature. 2. able adj. 有能力的 be able to do sth. ◆（经过努力）而能做… manage to do sth. succeed in doing sth. (1) be able to 与can的意思相近，均可表“有能力的” ◆ He is able to / can drive. He was able to / could run very fast. (2) be able to 可以有多种时态变化，且能与某些情态动词（can除外）连用；can不可以。 ◆ He has not been able to go to school for a week. You might be able to persuade（说服）him. I hope to be able to do the work. 3. planet n. 行星 我们常说的star 为恒星，比如 the sun。而月亮属于satellite卫星。 ◆ The planets move around the sun. Mars is the fourth planet in order from the sun. 火星是太阳系的第四颗行星。 ◆ 课外词汇拓展： Sun太阳；solar太阳的；moon月亮；lunar月亮的； Mercury水星；Venus金星；Earth地球；Mars火星；Jupiter木星； Saturn土星；Uranus天王星；Neptune海王星；Pluto冥王星；galaxy星系 4. secret adj. 秘密的；保密的；n. 秘密 secretly adv. 秘密地；保密地 secretary n. 秘书（复数：secretaries） ◆ keep a secret / keep secrets Keep secrets for sb. 为某人保守秘密 ◆ We discovered a secret passage（通道）behind the wall. What’s the secret of baking good bread ? 5. take pills for meals 服药片代替吃饭 pills n. 药片，药丸 ◆ She had to take sleeping pills（安眠药）every night. medicine n. 药品（总称） ◆ take the medicine 吃药 meal n. 餐，一顿饭（可数） ◆ We have three meals a day. My father likes to use toothpick after meals. 辨析 meals，breakfast，lunch，supper ◆ 表示一日三餐的名词包括breakfast, lunch, supper，原则上说它们是不可数的。 Breakfast is served（供应）until 9 a.m. I usually have a sandwich for lunch. Could you set the table for supper? ◆ 如果要表示具体的“量”，可用some, much, a lot of等修饰。如： She doesn’t eat much breakfast. She always eats very little supper. Take her some breakfast on a tray（托盘）. ◆ 但是被描绘性形容词的修饰