外研版 (2019)必修 第二册Unit 1 Food for thought一等奖课件ppt

这是一份外研版 (2019)必修 第二册Unit 1 Food for thought一等奖课件ppt，共28页。PPT课件主要包含了fat，chemicals，amount，taste，harmful，student A，消化的，student B，成分原料等内容，欢迎下载使用。

Unit 1Fd fr thught
T learn t figure ut what is healthy eatingT listen t a dialgue and make sme ntes t finish the exercisesT make up a new dialgue t persuade a custmer t buy yur thing
Here are sme key facts abut healthy diet frm Wrld Health Organizatin (WHO)
A healthy diet helps t prtect against malnutritin (营养不良)Energy intake (calries) shuld be in balance with energy expenditure (消耗) Limit intake f free sugars t less than 10% f ttal energy intake Keep salt intake t less than 5 g per day 
Fr adults, a healthy diet includes:
fruit, vegetables, legumes (豆类), nuts and whle grains; less than 30% f ttal energy intake frm fats. Unsaturated fats (不饱和脂肪) (fund in fish, avcad (牛油果) and nuts, and in sunflwer, sybean, canla and live ils) are preferable t saturated fats and industrially-prduced trans-fats and ruminant (反刍动物)trans-fats.
fund in fatty meat, butter, palm and ccnut il, cream, cheese, ghee and lard
fund in baked and fried fds, and pre-packaged snacks and fds, such as frzen pizza, pies, ckies, biscuits, wafers, and cking ils and spreads
fund in meat and dairy fds frm ruminant animals, such as cws, sheep, gats and camels
always including vegetables in meals; eating fresh fruit and raw vegetables as snacks; eating fresh fruit and vegetables that are in seasn; eating a variety f fruit and vegetables …
Hw t imprve intake f fruit and vegetable in everyday life?
steaming r biling instead f frying when cking;eating sybean, canla (菜籽油), crn, and sunflwer ils;eating reduced-fat dairy fds and lean meats；limiting t eat baked and fried fds, and pre-packaged snacks …
Hw t reduce fat intake in everyday life?
limiting the amunt f salt and high-sdium (钠) fd;nt having salt r high-sdium sauces (调味汁) n the table;limiting the cnsumptin f salty snacks; chsing prducts with lwer sdium cntent …
Hw t limit salt intake in everyday life?
limiting the cnsumptin f fds and drinks cntaining high amunts f sugars, such as sugary snacks, candies and sugar-sweetened beverages (饮品); ready‐t‐drink tea;ready‐t‐drink milk; eating fresh fruit and raw vegetables as snacks instead f sugary snacks …
Hw t cut dwn intake f sugar in everyday life?
Healthy eating
Did yu knw?
The sugar in sft drinks frms acid (n. 酸) and attacks (v. 侵蚀) ur teeth fr abut 20 minutes each time we drink them.Abut 30% f the wrld’s ppulatin is verweight.
Listen t the cnversatin and tick the fd and drinks rdered.
Listen again and cmplete the ntes.
Listening text:Waiter: Are yu ready t rder?Janet: Yes. I’m trying t eat mre healthily, s I’ll just have a salad t start.Waiter: Sure. What kind f dressing wuld yu like n that?Janet: I’d like t have…Harriet: [interrupting] Nt a gd idea, Janet. Salad with dressing always has a lt f sugar and fat, as well as unhealthy chemicals.
Janet: Oh, dear, maybe I wn’t have any dressing, then.Waiter: OK. D yu want anything t drink? We have sft drinks, juice, tea and cffee.Janet: The juice must be healthy. It cmes frm fruit, right? I think I’ll have that.Harriet: Dn’t be s sure! Did yu knw that a lt f fruit juice nly has a small amunt f real fruit? It mainly cntains chemicals that taste like fruit. Even 100% fruit juice can have as much sugar as sft drinks.
Janet: Uh, maybe I’ll just have sme water, then.Waiter: Fine. Hw abut dessert?Janet: D yu have fat-free yghurt?Harriet: [interrupting] Srry, but there’s a big prblem with fat-free yghurt, Janet. Yghurt tastes very bad withut fat. That’s why they add a lt f sugar t make it taste better. And yu knw sugar can be harmful if yu eat t much.
Janet: Oh, I see. Thanks fr the advice, Harriet… I’ll have a salad with n dressing and a glass f water. And I wn’t have dessert.Waiter: N prblem. And, fr yu, madam? What wuld yu like t rder?Harriet: Oh, I’ll have a duble hamburger with French fries and a cla.Janet: What?Harriet: Aha… just jking. I’ll have the same as she rdered. Thanks!
Nw talk abut what Harriet says t persuade Janet. Listen again if necessary.
Tips:Nt a gd idea.Dn’t be s sure. Did yu knw…?Srry, but there’s a big prblem with…And yu knw…
Hw t persuade thers?
1. Yu shuld/shuldn’t d ….2. What abut/Hw abut ding…?3. Why dn’t yu/Why nt d…?4. Try (nt) t d….5. It’s a gd idea t d….6. Dn’t frget/Remember t I suggest/advise…8. Yu had better …
Wrk in pairs. Act ut the cnversatin t persuade a custmer t buy a new mixed fruit drink.
Yu are a salespersn. Yu want t persuade a custmer t buy a new mixed fruit drink. Yu have the fllwing infrmatin abut the drink:It’s a mixture f six different fruits and vegetables.It’s rich in fibre and vitamins.It’s gd fr ur digestive system.It’s 15 yuan per bttle.Custmers can get 20% ff if they buy five bttles r mre at a time.
Did yu knw that …?It’s made frm…It’s rich in…Abslutely. It’s gd fr…There’s … ff the ttal price.
Useful expressins
Yu are a custmer. Student A is selling a new mixed fruit drink, but yu want t make sure that it’s healthy. Ask student A fr the fllwing infrmatin abut the drink and decide if yu want t buy it: ingredients taste benefits frm drinking it price
What’s …made frm?Des it have any …in it?Is it gd fr…?Hw much is it?
Wrk in pairs. Think f a similar situatin and have a cnversatin.
Learning t learn
When giving advice, it’s usual t give yur pinin within yur first sentence. This makes the listener mre interested in what yu are saying. Here are sme examples: Nt a gd idea. Did yu knw that…? Srry, but there’s a prblem with …
Based n the infrmatin in Activity 9, finish yur wn cnversatin.