Unit 13 Healthy eating教案
b. because they think meat is not "eco-foods".
c. because they think meat will make them fat.
d. because riley think meat will make them thin.
5. from the passage we can conclude that it is probably better, if
a. we eat less meat
b. we have more fruit
c. we have "eco-foods"
d. we buy good food and keep a balanced diet.
參考答案：cadad
step 3
read the text carefully again, and give the students some explanations.
step 4
play the tape for the students to listen and follow.
step 5
l. do post-reading 1.2.
2. discuss the questions below, first in pair, then with the rest of the class.
(1)why do people go to fast food restaurant?
(2)why is it not good for you to eat too much sugar and fat?
(3)why are crash diets and supplements so popular?
(4)what can we do to keep a balanced diet? language points of reading in unit 131. choosing what to eat is no longer as easy as it once was.
吃東西不在像以那么容易了。
once 的用法
1) adv. (at some time in the past )
he once knew her , but they are no longer friends
2) adv. ( one time )
we had been there only once .
3). conj.( if ever )
once you begin ,you must continue .
[注]once 引導(dǎo)的從句經(jīng)常采用省略形式。如：
once (he is )there ,he’s lost .
once opened , the food must be eaten up within three days .
2. our eating habits have changed , as has our way of life , and the fuel we need for our bodied is also different . 像我們的生活方式一樣，我們的飲食習(xí)慣以發(fā)生了變化，我們身體所需的燃料也不同了。
as 在句中引起的方式狀語，此處采用了省略形式， 并且是到裝結(jié)構(gòu)，若改為正常語序則為as our way of life has changed .
as 引導(dǎo)的方式狀語從句中一般采用正常語序， 但在正式語體中，也可采用倒裝語序。如：
1) he believe ,as did his family , that the king was their supreme lord .
2) they have finished their work ,as has she .
3 traditional diet often have too much fat and many calories for the 21st century person .
diet 和 food 的區(qū)別diet即可指習(xí)慣上吃的食物，又可指規(guī)定的食物，特指維持健康的定質(zhì)或定量的食物。food 是一般用語，指任何能吃且有營養(yǎng)的東西。強(qiáng)調(diào)種類時，food 可用復(fù)數(shù)。
4 if we want to keep up with the pace of the high pace of pace of modern life , we better learn to make the right choices about what and how we eat .
keep up with 意為“跟上，不落后于”表示并肩前進(jìn)。
john find it different to keep up with the rest of the class 9in math .