Ⅰ.根据首字母及英文释义写出单词

　　1．trap:_to prevent someone from escaping from a dangerous place

　　2．principle:_a moral rule or set of ideas which makes you behave in a particular way

　　3．boycott:_to refuse to buy something, use something, or take part in something as a way of protesting

　　4．relevant:_connected with the subject or problem being discussed or considered

　　5．condemn:_to say what sb.'s punishment is to be; to sentence sb. (esp. to death)

　　6．sacrifice:_to willingly stop having something you want or doing something you like in order to get something more important

　　7．recycle:_to put used objects or materials through a special process so that they can be used again

　　Ⅱ.根据词性及汉语意思写出单词

　　1．beyond prep. 　　 超出

　　2．federal adj. 联邦的

　　3．coincidence n. 巧合

　　4．consensus n. 一致的意见

　　5．ecology n. 生态

　　6．substitute n. 代替品，代用品

　　7．reserve n．保护区 v．保留，预约→reservation n．保留，存疑

　　8．advocate vt.主张，提倡→advocation n．拥护，提倡，主张

　　Ⅲ.补全短语

　　1．be harmful to ...　　对......有害

2．at risk 有危险，处于危险中