英语短语用法复习知识点leave off/lend a hand/let alone leave off停止；不再穿 例句Hasn't the rain left off yet? 雨还没停吗？ It's time to leave off work. 是下班的时候了。 Pullovers can be left off in this warm weather. 天气这么暖和，可以不穿套头毛衣了。 新概念英语学习机 新概念英语第一册教案 新概念第二册课后答案 lend a hand 帮助 例句Ask the boy lend a hand with moving the piano. 让这男孩帮忙搬一下这架钢琴。 Lend a hand with this table, will you? 帮帮忙，搬一下桌子好吗？ I had to get someone to lend a hand with the luggage. 我得去找个人来帮我搬行李。 let alone更不要说 例句I haven't decided on the menu yet, let alone bought the food. 我还没决定吃什么菜呢，更不必说买好了。 We can't afford a bicycle,let alone a car. 我们连自行车也买不起，更不用说汽车了。 I never thought of it,let alone did I do it. 我想都没有想到它，更谈不上去做了。 Quite simply, school trips are the journeys which take place outside a student’s normal environment. __1__ Educational trips are normally done in a museum or a historic place. They could provide a better understanding as the students would be able to make a connection between a place, time, or even people in history and something they’ve seen on a field trip. A trip to the zoo could provide a better understanding of animals. Biology is even better when there are proper animals to be named. __2__ Teachers and headmasters are advised to give the students prizes and rewards for different accomplishments done on a field trip. Planetariums(天文馆) could help students remember constellations(星座) better. __3__ Planetariums could help them see that the earth is just a small planet in the universe and that there is no reason not to explore. If you are a teacher and you’re lucky, you may have taken the next greatest astronaut to the planetarium on a school trip. __4__ Also they could help them see that there are so many living things that depend on them and how they can take care of nature. Children are very easily inspired. __5__ Therefore, it is necessary for teachers to often take their students to field trips, where they can have fun learning. A. Make sure that these trips are interesting. B. The importance of school trips can’t be ignored. C. A school trip is done mostly for educational purposes. D. So it’s best to instill in them good characters and education. E. Games like naming animals could provide hours of fun and education. F. School trips to farms could help students understand the value of nature. G. They could also help students imagine how far the sun is from the earth. 答案与解析 【语篇解读】 这是一篇说明文。文章主要介绍了学校旅行经常会去的地点以及带来的好处。 1. 答案 C 解析 根据上文“Quite simply, school trips are the journeys which take place outside a student’s normal environment.”和下文“Educational trips are normally done in a museum or a historic place. They could provide a better understanding as the students would be able to make a connection between a place, time, or even people in history and something they’ve seen on a field trip.”可知，空处承上启下，说明了学校旅行的目的。C项符合语境。故选C项。 2. 答案 E 解析 根据本段主题句“A trip to the zoo could provide a better understanding of animals.”和“Biology is even better when there are proper animals to be named.”可知，本段讲述的学校旅行目的地和动物园相关。E项符合语境。故选E项。 3. 答案 G 解析 根据上文“Planetariums could help students remember constellations better.”可知，本段主要说明去天文馆进行学校旅行的好处。G项符合语境。故选G项。 4. 答案 F 解析 空处为段落主题句。根据下文“Also they could help them see that there are so many living things that depend on them and how they can take care of nature.”可知，F项中的“the value of nature”和“take care of nature”对应。所以F项符合语境。故选F项。 5. 答案 D 解析 根据上文“Children are very easily inspired.”可知，下文与之构成因果关系，因为孩子们能受到启发，所以最好是向他们灌输良好的品格和教育。D项符合语境。故选D项。