Words （5个单词）
1. expand vi.膨胀；扩张
vt. ★expand … into … 把…扩展/ 扩充为…
★：Met als expand when heated and contract when cooled.金属热胀冷缩。
★ His company expanded into a big one.
2. conclusion n. 结论
★come to / arrive at / reach / draw a conclusion 得出结论
★ in conclusion 最后；总之 ( in a word )
★ conclude v. 得出结论；
★It is still too early to draw/come to /reach/arrive at a conclusion now.
★_______________, I wish all of you good luck 最后，我祝你身体健康。
3.aim n.目标；目的，v. 瞄准，对准；
归纳拓展全析考点：
★ achieve /reach one’s aim 实现目标/达到目的
★aim to do 意欲做。。。，打算做。。。 ★aim at 瞄准；对准
★be a imed at doing sth. 旨在做某事
Eg.
