【正文】 0. cool (adj./v.) eg: The milk is hot. Please cool it down. (v.) The weather is cool in autumn in Shanghai. 11. teach you how to do sth. 教某人怎樣做某事 eg: Can you teach me how to use the puter? 12. make it move by pouring water into it by doing sth. 通過做某事（表示一種方法），用 How 提問。 Eg: We can save water by fixing the dripping tap. How can we save water? 13. at the bottom of…( 反 ) on top of… Eg: Look! There is a hole at the bottom of the box. We took many photos on top of the mountain. 14. Use the coloured paper to make some small flags and stick them to the lid. (1) coloured: 彩色的 colourful: 豐富的 (2) use sth. to do sth. = use sth. for doing sth. eg: We use water to wash hands. = We use water for washing hands. 15. have to do sth. (不得不做某事，強調(diào)客觀原因 ) must do sth.（必須做某事， 強調(diào)主觀原因） eg: It is raining heavily. I have to stay at home instead of going out. I must work harder because I want to be a scientist in the future. 16. It’s your turn.(n.) to do sth. (輪到你做 … 了 ) eg: It’s your turn to roll the dice. 17. the three forms of water: ice, water, steam （水的三態(tài)） 18. 表示方位的介詞： ? at the bottom of the paper 在紙的底部 ? on the water 在水面上 ? in this box 在這個盒子里 ? near a river/ a beach/ a lake 在河（海濱，湖）邊 ? at a swimming pool 在游泳池邊 19. 表示先后順序的詞： First, Next, Then, Finally 20. 英語中的 “用 …”