人教版高中英语必修3unit4课件

break out break away from break down break into exhaust (vt) sb be exhausted begin with explode with as well as explode with anger depend on sb/ ~sth watch out
= Multiply 7 by 4 to make 28.
Our homework have multiplied since we came to high school. 我们的功课自上高中以来增多了.
Mosquitoes multiply rapidly in summer.
蚊子在夏天繁殖得很快.
train?
与time相关的短语: on time in no time at times at a time once upon a time at one time for the time being from time to time
按时;准时 立刻,马上 有时
每次;依次 从前 从前 暂时 不时地
It’s generally believed that…一般认为…
generally speaking 一般而言，概括来说
1) It’s generally believed that girls work harder than boys do. 2) Generally speaking, women cry more easily than men.
puzzle out
球体;地球仪;地球 爬行动物 下蛋;(放置;搁下) 恐龙
生存
存在..之中--靠…为生
生存 (现存) 哺乳动物 产生、分娩 因此；于是 轮到某人；接着
二氧化物
二氧化碳 阻止…不要… 迷；难题；(使)迷惑 琢磨透
biology (v)
生物学
biologist (n)
生物学家
gravity (n) satellite (n) gentle (a) gentleman geologist (n) physicist (n)
2) Make it possible for life to develop. 使生命的发展成为可能
make it + adj./n. sb. /sth. to do sth. 老师让他们跟容易地明白那个问题.
The teacher made it easy for them to __________u_n__d_e_r_s_ta__n_d_t_h_e__q_u_e__s_ti_o_n_.
2*4=8; 8除4=2
oxygen (n)
氧
shellfish (n)
水生有壳动物
amphibian (n) reptile (n) lay egg dinosaur (n)
exist (vi) exist in---exist on existence (n) (in~) mammal (n) give birth to thus (ad)--so in one’s turn dioxide (n) carbon dioxide prevent…from… puzzle (v; n)
give birth to 1) 生（孩子）
She’s just given birth to a healthy baby girl. 她刚刚生了个健康的女婴。 2) 产生
The extraordinary experience gave birth to his latest
novel. 这段奇特的经历促成了他的最新的一部小说的诞生。
万有引力,重力 卫星;人造卫星 温和；文雅 绅士 地质学家
物理学家
block out block off—block in (ad) extinct (a) climate (n)
ห้องสมุดไป่ตู้挡住(光线)
关闭，封闭— 使…受阻 绝种的;灭绝的
气候
temperature-weather comet (n) crash (v)--cash
atomic bomb— nuclear weapon billion (n, pron, a)
violent (a)-fierce
天文学 天文学家 太阳的,日光的 太阳能 太阳—晴朗的 系统，体系 太阳系 宗教 宗教的 学说；理论 宇宙大爆炸 原子 原子弹-核武器
十亿；万亿(英)
强烈的,暴力— 激烈的,猛烈的
carbon (n)
碳
nitrogen (n)
氮
vapor (n) atmosphere (n) unlike (prep) fundamental (n) fundamental-primaryelementary-basic presence
蒸汽；水蒸气 大气层;气氛,环境 不同；不像 基本的，基础的
我学英语之外还学法语.
He grows flowers as well as vegetables.
他既种菜也种花
He as well as I __l_ik_e_s_ rock music. . “就远原则”
5. They produced young generally by laying eggs.
a mass of… now that get the hang of
宇宙飞船 拉力;拖;拔;牵引力 减少；减轻 欢呼，感到振奋
给某人加油
浮动；漂浮；漂浮物
漂浮—沉
失重地 重量；体重；重任； 给…负重 小屋，船舱 质量;团块;大量;群众 的；大规模的
一大团；
既然；由于（同since)
熟悉；掌握；理解
1) allow … to …= permit …to do…
2) harmful adj. Opp: harmless ; harm n./v.
be harmful to sb./sth.= do harm to sb. /sth. =do sb/sth harm 对…有害
过多的二氧化碳对环境有害.
9.Thus they have, in their turn, become the most important animals on the planets on the planet.
1) thus adv. 因此；从而 She studied hard, __t_h_u__s_s_h__e_g_o__t_h_i_g_h__m.arks
6. They multiplied and filled the oceans and seas with oxygen , which encouraged…
1) multiply v. 乘: 增加,繁殖； 4 multiplied by 7 is twenty-eight. 7乘以4等于28.
globe (n) global (a) earth (n) in time— on time
球体;地球仪;地球 全球的;全世界的 地球;土壤;尘世 及时；终于-按时
in no time– at times– at a 立刻,马上-偶尔-每 time—from time to time 次、依次-时不时
7.They laid eggs too and existed on the earth for more than 140 million years.
exist in 存在与…之中；exist on 靠…为生
It was impossible for them to _e_x__is_t__o_nsuch a small
in time (for sth. /to do sth.): not late 及时；不迟 她会及时回来准备晚餐.
She will be back in time to prepare dinner.
你认为我们能及时赶上火车吗?
Exercise: Do you think we can get there_in__t_im__e_f_o_r the
income.
The universe _e_x_i_s_t_s__i_nspace.
in existence 现存的 come into existence=come into being 开始存在、成立 When did this world come into existence?
8.These animals were different from all life forms in the past, because they gave birth to young baby animals and produce milk to feed them.
最基础的-排序基础初级-基本的，必要的
出席；到场；存在
present (v;a;n)—absent 提供;赠与;当前的;
(a)
礼物—缺席的
dissolve (v) harmful (a)
溶解；解散 有害的
be harmful to sb – be 对…有害 bad for sb
acid (n)
酸
chain (n)
4.Others, called amphibians, were able to live on land as well as in the water. 另外一些叫作两
栖动物,它们既能在陆地上生活也能在水里生存. as well as 表示“(除….之外)也; 既……又”.
如:I’m learning French as well as English.
Unit 4 Astronomy: the science of the stars
astronomy (n) astronomer solar (a) solar energy sun--sunny system (n) solar system religion (n) religious (a) theory (n) Big Bang atom (n)
Too much carbon dioxide is harmful to / does harm to the environment.
3.This produced a chain reaction, which made it possible for life to develop.
1) Chain reaction 连锁反应
链子;连锁;锁链
chain/multiply store 连锁店
reaction (n)
反应；回应
react to sth—react on 对..做出反应;
对…起作用
multiply (v)
乘；增加
plus-minus-multiply- 加减乘除 divide
multiply2 by4 is divide 8 by 4 is 2
气温-天气 彗星 碰撞;坠落-现金
spaceship (n) pull (n, vt) lesson (v) cheer up cheer sb on float (vi; vt;n) float—sink weightlessly (ad) weight (n, vt)
cabin (n) mass (n; a)
He forgot to turn on the radio and _t_h_u_s__m_i_s_s_e_d_t_h_e_p__ro_g_r_a_m___.
2) In one’s turn 轮到某人
It will be __in__S_a_m__'s__tu_r_n___ to be on duty tomorrow.
突发，爆发
脱离；放弃(习惯) 毁坏；制服；坍塌 破门而入；突然…起来 用尽；使精疲力竭 某人精疲力竭 以…为起点 突然爆发 也. 勃然大怒 依靠某人；取决于某事 密切注视；当心；提防
1.in time: sooner or later; eventually 迟早;最终
我迟早会遇见他.
I’ll see him in time.
2. What many scientists believe is that the
continued presence of water allowed the earth to dissolve harmful gases and acids into the oceans and seas.