1.no longer; no more
1. There be… left 有…剩下
2. hunt animals for food 為得到…而捕獵…
hunt for 搜尋
hunt animals 狩獵
3. know of/about 對(duì)…了解
4. in danger 處于危險(xiǎn)中 out of danger 脫離危險(xiǎn)
in danger of 面臨...的危險(xiǎn)
endanger vt. 使...瀕危；危害
endangered animals 瀕危動(dòng)物 become endangered
5. die out 滅絕； 消失
die away ； die off; die of; die from; die down
be dying for 渴望；很想
6. It follows that… 由此得出…； 可見…
People get sick because of air pollution. It follows that we must do something about it.
人們生病是因?yàn)榭諝馕廴�。可見我們必須采取行�?dòng)了。
7. lead to 導(dǎo)致
8. take turns to do sth/ doing sth 輪流做某事
do sth in turn/by turns
9. act as 扮演 play a role of
ARE WE ENDANGERED?
10. an environmental expert 一位環(huán)境專家
11. keep/stop/prevent sb from doing sth 阻止…做…
keep sb doing sth 使...一直做...
keep (on) doing sth 堅(jiān)持做某事
protect...from/against 保護(hù)...免受...
12. we don't do as we say. 我們言行不一。
13. ( take sb ) on a tour of... （帶某人）游覽...
14. have a bright future 用有一個(gè)燦爛的未來
15. harm sb/ do harm to sb/ do sb harm/ be harmful to sb
傷害某人；對(duì)...有害=be bad for
do good to sb/do sb good/ be good for/
benefit sb./be of benefit to 對(duì)...有好處/益
16. take measures/steps/action 采取措施
17. be used to sth/ doing sth 習(xí)慣于…
18. adapt to (改變以)適應(yīng) adapt oneself to 使自己適應(yīng)于
adjust to (調(diào)整以)適應(yīng)
19. become endangered 頻臨危險(xiǎn)
20. the original species 原有的物種 species (單復(fù)數(shù)相同)
21. first of all 首先 at first; above all
22. make a big difference 大改觀；影響大
23.If we know more about what causes endangerment, we may be able to take measures before it is too late. 如果我們能更多地了解致使生物瀕危的原因，就能及時(shí)采取補(bǔ)救措施。
They are thinking of buying the house before the prices go up. 他們正在考慮趁房價(jià)未漲時(shí)把房子買下來。
If you don’t like the present job, I suggest you look for another one before it is too late.
如果你不喜歡目前的工作，我建議你趁早另謀出路。
He hung up before I could say a word.
我還沒說一句話，他就掛了電話。
LANGUAGE STUDY
24. devote oneself to sth/doing sth 致力于…
be devoted to sth/doing sth 投身于
a devoted friend / wife
25. at present 目前 at the present time
be present at 出席
26. explain sth to sb 向某人解釋…=explain to sb sth
27. set…free 釋放 =free
28. in the wild 處于野生狀態(tài)
INTEGRATING SKILLS
29．be careful with 細(xì)心；認(rèn)真
be careful of/about 注意；留意
30. throw away 扔掉；throw about 四處亂扔
31. care about 關(guān)心 care for 喜歡；
workbook
32. go on a tour to 去…觀光／游覽
33. a large amount of (money) 許多(錢)
34. (translate) word for word 逐字地
answer point for point 逐點(diǎn)答復(fù)
對(duì)比：one by one; little by little
35. up to （1）正在做；從事于（2）大約； 多達(dá)
（3）理應(yīng)；視為...的職責(zé)
What’s he up to? 他在干什么？ （常用作貶義）
I guess the fellow is up to no good.
我猜這個(gè)家伙要圖謀不軌。
The little boy can count up to twenty.
這小孩能從一數(shù)到二十。
The students are allowed up to two hours to finish the test. 學(xué)生們有長達(dá)兩小時(shí)的時(shí)間來完成試題。
It’s up to you to decide what to do next.
由你來決定我們下一步做什么。
The success of this project is up to us.
這個(gè)項(xiàng)目的成敗取決于我們.
36. become extinct = die out
37. keep…as a pet 把…當(dāng)寵物養(yǎng)
38.common adj. 常見的； 共同的； 普遍的(側(cè)重指共性；強(qiáng)調(diào)“非特殊性，非優(yōu)秀性” 或 "不足為奇的"
usual adj 通常的；尋常的；慣常的 （多指”習(xí)慣性的，遵循常規(guī)的，一貫如此的" 強(qiáng)調(diào)時(shí)間角度。
ordinary 通常的；普通的， 也指普遍的，但不是因?yàn)榇蠹宜灿卸毡槌Ｒ姡?而是因?yàn)榉鲜挛锏恼７▌t及一般規(guī)律而十分普遍； 也可帶貶義，指低于一般標(biāo)準(zhǔn)的事物或人。
popular 普及的；通俗的， 指為廣大群眾所接受或深受喜愛的
general 一般的；普通的； 指屬于大部分人或大部分事物的屬性， 因此是一般的，普通的，可能也包括了一些極少數(shù)的例外。