10 U10 Water Festival-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 U10 Water Festival 【知识点梳理】 1． 重点词汇和短语 1. form n. 形态；形式 It is in the form of a crescent. 它是新月形的。 After six months' training, the whole team is in great form. ◆form v. 形成，构成 He forms the habit of getting up early. The boys formed a line. 2. freeze v.（使）冻结，结冰(froze, frozen) It froze hard last night. Water freezes at 0℃. ◆frozen adj. 冰冻的；冷冻的 These frozen foods are the most convenient of all. ◆freezing adj. 极冷的；严寒的： It's very cold today; the temperature has dropped to the freezing point. 3. * lid n.（容器的）盖；盖子 He banged the lid down. She lifted the lid of the pot to add some salt. 4. second n. 秒 She can run 100 metres in just over 11 seconds. ◆second作名词表示“秒”时，常见用法如下： (1)for several seconds一连几秒钟：For several seconds, he did not reply. (2)every... seconds每……秒钟：The light flashes every 5 seconds. (3) per second每秒：The water flows at about 1.5 metres per second. ◆second num. 第二的；第二次的 adv.第二；其次 5. connect v.（使）连接 Will you connect this wire to the television? ◆connection n. 连接；结合： The connection of our telephones took several hours. 6. allow v.允许；准许 She allowed us to watch TV for a while. ◆allow sb. (not) to do sth. 允许某人（不）做某事 Swimming is not allowed at this beach. =You mustn't swim at this beach. ◆allowance n.津贴，零用钱，补贴 7. safety n. 安全 The police are concerned for the safety of the 12-year-old boy who has been missing for three day. ◆safe adj. 安全的 safely adv.安全地 save v.挽救；节省 ◆【反义词】danger n. 危险 8. ice n.冰 iced a. 冰镇的，加冰块的 icing n. 糖霜, 糖衣 Ice is one of the three forms of water. It’s not good for you to have so much iced juice. To make a chocolate cake, we need a packet of icing power, some flour, some sugar and some chocolate. 9. mean v. (meant, meant ) meaning n. means n.手段，方法 What do you mean ? What’s the meaning of this word? a means to an end 达到目的的方法 He achieved his goal by peaceful means 10. prepare v. – preparation n. My parents are preparing a trip to Xiamen. Stu