第13讲 M2U2 Welcome&Reading-邦国教育2019-2020学年高一上学期英语讲义

一、要点回顾 现成完成时与现在完成进行时 1．现成完成时 （1）考查表示所发生的动作或事情对现在的影响或产生的结果 Although medical science _______ control over several dangerous diseases, what worries us is that some of them are returning. A. achieved B. has achieved C. will achieve D. had achieved （2）考查表示一个从过去某个时间开始，延续到现在的动作 My friend, who _______ on the International Olympic Committee all his life, is retiring next month. A. served B. is serving C. had served D. has served My brother is an actor. He _______ in several films so far. A. appears B. appeared C. has appeared D. is appearing 2．现成完成进行时 主要考查表示一个从过去某时开始发生，一直延续到现在并可能延续下去的动作。 Now that she is out of a job, Lucy _______ going back to school, but she hasn’t decided yet. A. had considered B. has been considering C. consider D. is going to consider 现在完成时与现在完成进行时的区别如下： 现在完成时：完成性　　　　　强调动作的结果 现在完成进行时：未完成性　　动作在不久前持续进行的情景 二、知识整合 重点单词 1.arrange vt.& vi.安排；整理 (1)arrange for为……安排，准备 arrange(for sb) to do sth安排(某人)做某事 arrange＋that...安排…… (2)arrangement n．安排；筹备 make arrangements for安排 2.desert n．沙漠vt.遗弃；舍弃；离开；抛弃 3.shade n．阴凉处；背阴处；树阴vt.遮蔽；遮挡(光线) [易混辨析]　shade，shadow (1)shade阴凉处，树阴，表示照不到光线的阴凉地，常作不可数名词。 (2)shadow阴影，影子，指某物在光线的照射下映在地上、墙上等处的形状清晰的阴影，为可数名词。 4.advance n．前进，高升，进步adj.事先的，预先的vi.前进vt.推动 (1)with the advance of...随着……的增加/推移 in advance在前面，预先 in advance of...在……前面[来源:学科网ZXXK] (2)advance on/towards朝……前进 advanced adj.高级的；年事高的；高深的 5.supply n．& vt.提供，供给，补给 [易混辨析]　supply，offer，provide (1)supply通常指定期“供应”，强调替代或补充所需物品supply sb with sth，supply sth to sb。 (2)offer强调主动提供offer sth to sb，offer sb sth。 (3)provide强调供应所需之物(尤指生活必需品)provide sth for sb，provide sb with sth。 6.defence n．防御；保护；防御能力；国防体系 (1)come to one's defence保护某人 in defence of保卫 (2)defend vt.保卫，保护；辩护 defend sb from...保护某人不受…… defend...against保卫……，抵抗…… defend oneself自卫 7.scare vt.使恐惧，惊吓 (1)scare...away/off把……吓跑 scare sb into/out of doing sth恐吓某人做/不做某事 (2)scared adj.害怕，恐惧 be scared of sb/sth害怕某人/某物 be scared to do sth＝