Book9unit2词汇预习1.写出下列词汇的反义词。longitude（经度）____________maximum（最大的）_______________dawn(黎明)_____________everywhere______________dangerous_____________swift_______________notexact___________complicate(复杂的)____________goodpoints_______________relax______________2.海洋的词汇知多少。航海，航行n,_____________探险n._______________赤道n._____________地平线n._______________海里（短语）_________________地极n._________远征，探险n.______________海草n._____________潮汐n.______________离岸的，海面上的adj.________________咆哮v.________________3．写出下列短语。受---的支配________________________方位圆______________出发，开始_____________________鬼门关___________________,参考书__________________中国结_______________________4．根据音节写出下列长单词。百科全书___　____　___　____　____天上的_____　_____　_____磁的______　_____　_____　趋向____　____　___远征___　___　___　___必修的____　___　___　___出发，离开___　________进退两难的局面__________心理上的___________________5.写出本单元词汇表中的合成词并写出其汉语释义。________________________________________________________________________________________________________________________________________________________________________________________________________________________________________6．根据要求写出词性变化。explore:_____________n.magnet:____________adj.refer:____________n.simple:______________v.tend:_____________n.rely:____________adj.survive:______________adj.depart:____________n.tense:____________n.psychology:__________________adj.gradual:____________adv.thirst_____________adj.,starve___________________n.答案:1．Latitude；minimum；dusk；nowhere；secure；awkward；precise；simple;shortcoming；tens2．voyage；exploration；equator；horizon；nauticalmile；pole；expedition；seaweed；tide；offshore；roar3．Atthemercyof；bearingcircle;setloose;jawsofdeath;referencebook;Chineseknot4．Encyclopedia;celestial；maghetic；tendency；expedition；compulsory；departure;doparture;dilemma;psychological5.alongside;offshore;drawback;overhead;outward;foresee;seaweed;shortcoming;hardship;nowhere;update;background6.exploration;magnetic;reference;simplify;tendency;reliable;survival;departure;tension;psychological;gradually;thirsty;starvation