考前第 21 天 词汇句型天天记 重点单词 previous adj.先前的，以前的 provision n.给养，口粮；准备 pursue vt.追逐；追求；从事，进行 stale adj.不新鲜的；陈腐的 substitute n.代用品；vt.代替 deserve vt.应受，应得，值得 discrimination n.歧视；辨别力 professional adj.职业的；专门的 secure adj.安全的；可靠的 security n.安全，保障 scratch v. & n．抓，搔，扒 talent n.才能，天资；人才 insurance n.保险；保险费 insure vt.给……保险；保证，确保 nevertheless adv.仍然，然而，不过 neutral adj.中立的；中性的 spot n.地点；斑点；vt.认出；发现；玷污 spray v.喷；(使)溅洒 medium adj.中等的，适中的；n.媒介 物，新闻媒介 media n.新闻传媒 auxilry adj.辅助的；备用的 automatic adj.自动的 重点短语 carry on 继续，坚持下去；从事，经营 carry out 进行到底，贯彻执行 catch sight of 发现，看到，突然看见 clear up 解释，澄清；整理，收拾；天气变晴 come across 偶然发现，偶然遇到 重点句型 1.when it comes to...当谈到，说到或涉及…… He is a man of few words，but when it comes to playing computer games，he will be very talkative. 他是一个少言寡语的人，但一谈到电脑游戏他非常健谈。It is (not) necessary sb. to do sth. →It is (not) necessary sb. to do sth. 这 类 句 型 还 有 ： There is (no) hope/chance/possibility of doing...；There is (no) difficulty/trouble/point/delay (in) doing... 2．There is (no) need for sb.to do sth.→It is (not) necessary sb. to do sth. 这 类 句 型 还 有 ： There is (no) hope/chance/possibility of doing...；There is (no) difficulty/trouble/point/delay (in) doing...If we have finished our work，there is no point in staying any longer；we may as well go home. 既然我们的工作干完了，再待下去毫无意义了；我们还是回去的好。 There is no need for me to praise it.It speaks for itself. 无需我来称赞，那是不说自明的。 3.It is up to sb. to do sth.应由某人来做某事。 —When shall we start out? ——我们什...
