others in the class
to do the homework, and the entire team would get credit. 7．They are sitting back to back on the grass, reading silently. 8．As senior students, it is important to keep up a good state of mind.
4．elect vt.选择；决定做某事；选举某人→ election n．选举
5．racial adj.人种的；种族的→ race n. 种族；竞争
6．crossing n. 横渡；横越；十字路口；人行横道→ cross n．十字；交叉 adj.
交叉的；生气的 v．使交叉；横过→ across prep.在……对面
继续存在；继续生存 标出……界线；用线画出范围 申请；请示得到 包括；吸收；欺骗；理解 坚持；维持；沿袭(风俗、传统等) 习惯于新的生活方式、工作等 背靠背 用……办法；借助…… 许多；很多 与……合作或一起工作
(四)经典句式——明特点、会仿用 1．It is likely that ... “有可能……”，it 作形式主语
悟原句 However, it is likely that Native Americans were living in California at least fifteen thousand years ago.
It is likely that a visit to the Great Wall for us students is an 背佳句
2．means n．方法；手段→ mean v．意思是；意味着 adj.吝啬的；卑鄙的 → meaning n．意思；意义→ meaningful adj.有意义的
