人教版高一英语下册第一单元知识点以下是给你推荐的高一英语下册第一单元知识点,希望对你有帮助!英语第一单元知识点 1. Choos ing what to eat is no Ion ger as easy as itonce ws我们在选择吃的东西方面,现在不像过去一样简单了。
[问]as在此处作何解释?[答]作连词,表示比较。
又如:My hometow n is no Ion ger the same as it was 我的家乡同过去不一样了。
2. if we want to keep up with the high pace of modern Iife, we hadbetter Iearn to make the right choices about what and how we eat.如果我们要跟上现代生活的步伐,我们最好学会正确的选择吃什么以及怎么吃。
[问]如何分析此句?[答]这里if 引导的是条件状语从句,wehadbetter ...是主句,what and how we eat 是宾语从句做about 的宾语。
keep up with 赶上,跟上,had better 最好。
3. When we choose what to buy and eat, we had better think if thefoodwiIIgiveusthenutrientsweneed. 当我们选择我们想要买和想要吃东西的时候,我们最好想一想这些食物是否提供了我们所需要的营养。
[问]这个句子中有三个从句,对吗?[答]对。
whe n . . . ,是时间状语从句;if...是宾语从句;we need 是定语从句。
4. Some n utrie nts help build our body and amke it stro nger.—些食物有助于我们增强体魄。
[问]build our body and make it stronger —起做help 的宾语吗?[答]是的。
5. Caicium, which is found in eggs, milk and other dairy products, isgood for our bones and teeth.[问]which is found in eggs, milk and otherdairy product 是定语从句吗?[答]是的。
而且引导词which 在从句中作主语,代替calcium。
6. Other nutrients help keep our body functioning well. 其他的营养物有助于我们的身体正常运转。
[问]function在这里作动词吗?[答]是的。
在这里“起作用等的意思。
7. But the choices we make are n ot just about nu trio n.但是,我们做出的选择不仅是营养方面的。
[问]we make又是定语从句?[答]是的。
make choices是作出选择的意思。
引导词which/that 作宾语,可以省去。
8. Eatinghabitsbecomepartofwhoweare:peoplebecomevegetarians either because they believe it is healthier not to eat meat orbecause they so not think we should kill ani mals for food.饮食习惯成了我们信仰中不可分割的部分素食主义者有的认为不吃肉身体要更健康些,有的则是不主张杀动物为食者。
[问]这么长的句子,怎么分析?[答]主句是:Eating habits become partof who we are. Eather..., or...引导两个because原因状语从句。
9. Wealsomakechoicesbasedonhowtheproductsaregrownormade:environmentall yfriendlyfoods,or"eco-foods",aremadebycompanies who have tried to use green and clean ways to make the foods我们对产品的作出的选择还决定于生产和加工方式,要是环保性的或者说是生态性的食物,是厂家用绿色而又清洁的方式生产出来的食物。
[问]此句是否定语从句中套定语从句。
[答]对。
that are grown without chemicals 做vegetables 的定语;that can beharmful to human beings and the environment做chemicals的定语。
11.Ifourdietincludesfoodsfromallthefoodgroups,intherightamounts, we so not have to buy any suppleme nts如果我们食物品种多,数量恰当,我们就不需要买任何补给品。
[问]请解释此句中的if 结构和do not have to 相当与need't。
12.Thesamegoesfor"crashdiets"thatsomecompaniessaywillmakeusloseweightfas t.对于一些公司所宣称可以让我们减肥的减肥餐也如此。
[问]that some companies say will make us lose weight fast起什么作用?[答]定语从句。
that 在从句中作主语代替“crash diets。
" 13. Instead of eating expensive diet foods or going on unhealthy diets,we can simply try to eat less fat and sugar and exercise more我们不需要去吃那些昂贵的固定饮食或者不健康的饮食,只需要少吃脂肪和糖,多锻炼就行了。
[问]请问in tead of介词短语?[答]in stead of是介词短语,表示代替的意思。
14.Thebestwaytomakesurethatwewillfeelandlookfineistodevelop healthy eating habits •保健的最好方式是养成健康的饮食习惯。
[问]这句话的主句究竟是什么?[答]Thebestwayistodevelophealthy eating habits 是这句话的主句to make sure that we will feel andlook fine 不定式短语做定语,修饰the best way.15. We ought to learnmore about our body and the fuel it needs so that we can make sure thatwe are well prepared for the challenges and opportunities in life. 我们应该更多地了解自己的身体以及我们身体所需的养料,以便我们对生活中所面临的机遇和挑战有充分的准备。
[问]so that是什么意思?[答]so that是以便的意思,常引导结果状语从句。
16. Thatmeansthatsandwichorasaladisagoodchoice,butachocolate bar or a bag of patato chips is not.也就是说,要选择三明治和色拉之类的而不是选择巧克力和炸土豆条。
[问]如何分析此句句子成分?[答]Tha i主语,“ mear是谓语,后面整个that引导的两个并列从句是宾语,第二个从句“ is no后省略了a good choice.Howsweetthemusicsounds!这音乐多么美妙动听!Whatasweetgirl!多么可爱的小姑娘!Chocolates and coffees are sweets巧克力和咖啡豆都是糖果。
[记忆技巧]联想记忆:表示味道的词sour酸的;bitter苦的;salty咸的;peppery 甜胡椒味的2. French fries炸薯条例:He likes to eat Frenchfries他喜欢吃炸薯条。
[记忆技巧]对比记忆;美式英语Frenchfries;英式英语potatochips.3. mushroom [5mQFrum]n. (食用)蘑菇,洋菇;急速成长之物;突然发迹之人,暴发户//adj. 雨后春笋般的,急速成长的//vi. 采集蘑菇;急速生长(发展)例:fried [fraid]v.fry 的过去式和过去分词//adj.油煎的,油炸的例:She has an fried egg for her breakfas她早餐吃了一个煎蛋。
[记忆技巧]同义词联想记忆:wastes废物;junk废物[常用词组]ajunk heap废物堆6. fat fAt adj.肥大的,肥胖的〃n.脂肪;油脂,油例:He's fat because so much.他身体胖,因为吃得太多了。
He is gett ing fat.他在发胖。
I don't like fat meat. 我不喜欢吃肥肉。
They have a lot of fat un der their ski n他们的皮肤下面有很多脂肪。
Butter and margari ne are fats.黄油和人造黄油都是脂肪。
[记忆技巧]反义词对比记忆:fat 肥大的,肥胖的;thin 瘦的[常用词组]a fat job好差事/a fat man肥胖的人。
7. vitam in[ 5vaitEm in]n.维生素例:Oran ges contain vitam in C橘子含有维生素C。
8. sn ack [sn Ak] n小吃例如:rm not hungry but I'd like a sn ack 我并不饿,不过我倒喜欢来点小吃。
[记忆技巧]人身体各个部位归纳记忆:head头;hand手;waist腰10. fever[5fi:vE]n.发热,发烧//(通常指)狂热,激动例如:My fever is gon e,butI still have a cough我的烧已经退了,但还有点儿咳嗽。
He has a fever and a temperiture of 38.5 degree他发烧,体温38.5 摄氏度。