必修4unit2单词讲解PPT课件

【活学活用】
(1)教师的队伍日益扩大。 The ranks of the teachers _a_r_e_c_o_n_s_t_a_n_tl_y_e_x_p_a_n_d_i_n_g____.
(2)他的公司因扩大规模而成为一个大公司。 His company _e_x_p_a_n_d_e_d__in_t_o__a_b_i_g_o_n_e______.
(3) Between 2007 and 2008, the number of overseas visitors expanded ______ 28%.
我们要不断地开拓自己的眼界、增长见识。
[即学即练2](1)Metals _e_x_p_a_n_d__ when they are heated. 金属受热会膨胀。 (2)We've _e_x_p_a_n_d_e_d__ __t_h_e__ __b_u__si_n_e_s_s_ by opening two more stores. 我们增开了两个商 店以扩展业务。 (3)I repeated the question and waited for her to __e_x_p_a_n_d__. 我把问题重复了一遍，等着她进行充分阐述。
8．keep...free from/of 使……免受(影响、 伤害等)；使……不含(有害物) 9．make a difference 造成差异，很重要 10．keep in mind 牢记在心
1. struggle vi. 搏斗, 挣扎, 努力, 拼搏 They were struggling to get out the burning car. 他们挣扎着从烧着的车里往外爬。
struggle to do sth 挣扎着做某事 struggle for为……奋斗/斗争 struggle with/against与……斗争、克服
共 96 页
8
• The children talked so loudly that I had to struugle
• A. to be heard • B. to have heard • C. hearing • D. being heard
共 96 页
9
Dina，________for months to find a job as a waitress， finally took a position at a local advertising agency.
A.struggling
B．struggled
C. having struggled D. to struggle
Unit 2 Working the land Language points
共 9பைடு நூலகம் 页
1
●重点单词
1．struggle vt. & vi.斗争；拼搏；努力 2．output n．产量；输出 3．hunger n．饥饿；欲望→hungry adj.饥饿的；有欲望的 4．expand vt. & vi.使变大；伸展；阐 述→expansion n．扩大；增加
2. expand vt.&vi. 使变大；伸展；阐述 expansion n. 扩张；膨胀；扩大；发展 expansive adj. 扩张性的；开展性的；广 阔的
expand into/to 使扩大，变大 expand on/upon 阐述，详谈
We should constantly broaden our views and expand our knowledge.
●重点短语
1．thanks to幸亏；由于 2．rid...of 摆脱；除去 3．be satisfied with 对……感到满意 4．would rather 宁愿；宁可 5．build up 逐渐增强；建立；开发 6．lead to 导致；造成 7．focus on 集中(注意力、精力等)于
She struggled up the stairs with her heavy bags. 她提着沉重的行李艰难地走上楼梯。 [搭配] struggle against
与……斗争，为反对……而斗争， struggle for 为争取……而斗争
共 96 页
7
我们必须努力为过上幸福生活而奋斗。 We must struggle for a happy life. 这位老人一直与病魔斗争。 The old man has struggled with/against illness.
5．circulate vt. & vi.循环；流传 →circulation n．循环流通 6．battle n．战役；战斗；较量；斗争vt. & vi.搏斗；奋斗 7．therefore adv.因此；所以；因而
8．equip vt. & vi.配备；装备 →equipment n．设备(不可数) 9．export vt. & vi.输出；出口→import vt. & vi.输入；入口；进口 10．nationality n．国籍→nation n．国 家；民族→national adj.国家的；国有 的
3) 我们必须努力克服这种偏见。 We must _s_t_r_u_g_g_l_e_a__g_a_in__st this prejudice.
4) 我们必须与各种困难作斗争。 We have tos_t_r_u_g_g_l_e_w__共i_t9h6 页all kinds of difficulties1.1
解析： 答案： C
即学即练
根据提示完成句子。
1) 我们三个人努力把汤姆从轮椅抬上了车。 The three of us _s_t_r_u_g_g_l_e_d__t_o_l_i_ft_/_g_et Tom out of his wheelchair into the car.
2) 她一生都在为争取国家的独立而战。 She _s_tr_u_g__g_le_d__f_o_r the independence of her country all her life.