Unit 2  Healthy Eating教學(xué)設(shè)計(jì)

9. in calories 以卡來(lái)計(jì)算
the energy is measured in calories . 這種能量以卡來(lái)計(jì)算。
10. be asleep 睡者（強(qiáng)調(diào)狀態(tài)）。fall asleep 睡著（強(qiáng)調(diào)動(dòng)作）
11. burn up 燒掉，燒毀；消耗掉。
while you are walking , your body is burning up 100 calories an hour .
if the satellite returns to the earth too fast , it burns up on the way .
the house burned up before the firemen got there .
12. as much as 像……那樣多；多達(dá)；到達(dá)……的程度。as much as 用于不可數(shù)的物體，而 as many as 則用于可數(shù)的物體。該結(jié)構(gòu)還可以變化為：as much + 不可數(shù)名詞 + as 或者 as many + 可數(shù)名詞 + as 的形式。
here is a bottle of ink . you may use as much as you need .
the average distance of the sun from the earth is as much as 150 million kilometres .
太陽(yáng)與地球的平均距離達(dá)一億五千萬(wàn)公里。
you should rest as much as possible .
in the countries of black africa , there are as many as 700 languages .
when working there , she could earn as much as 500 dollars a week .
he is strong enough to carry as much as 200 jin .
13. be considered (to be ) + 名詞或者形容詞“被認(rèn)為是……”
14. be rich in 含有大量的；充滿(mǎn)
this kind of fish is rich in vitamins a and d .
a large stretch of land rich in coal is called a coal field .
注意其反義詞組是：be low in 含量低。be high in 含有大量的……
15. too much 過(guò)于多的（修飾不可數(shù)名詞、作主語(yǔ)、作賓語(yǔ)、作表語(yǔ)）。而much too修飾形容詞和副詞。
she gets up much too early , because she has too much work to do every day .
16 . take exercise 運(yùn)動(dòng)；鍛煉
you need to take more exercise if you want to keep healthy .
she ate too much and did not take any exercise .
17. put on weight 增加體重；發(fā)胖。lose weight 減少體重。
too many sweets and not enough exercise will make you put on weight .
to the great joy of her , she has lost much weight .
18. in the form of 以……的形式
he made the suggestion in the form of a question .
all sounds travel in the forms of waves .
water exists in the form of ice , snow , steam , etc.
19. one person in ten = one-tenth = one person out of ten 十分之一的人
注意區(qū)別：ten to one 十有八九，有可能
20. by the age of 在……歲前；不超過(guò)……歲。by 在這里相當(dāng)于 before 。
she had had three children by the age of 35 .
he had been in the army for two years by the age of 18 .
注意：at the age of 在……歲時(shí)。試對(duì)比：
she married at the age of 30 .
she had been married by the age of 30 .
21. put … in order 把……按照順序排列好
22 . value for money 合算，花錢(qián)值得
23 . scores of 幾十的，大量的，許多的（修飾可數(shù)名詞）
24 . value of money 合算，花錢(qián)值得
25 . lose weight 減少體重
26 . die from heart illnesses 死于各類(lèi)心臟疾病