课程内容

《Astronomy：the science of the stars （Part 1）》
1、However,according to widely accepted theory,the universe began with a
"Big Bang" that threw matter in all directions (P25)
1)widely accepted 广泛接受的
2)theory n. 理论
  理论的基础是实践，反过来又为实践服务。
Theory is based on practice and in turn serves practice.
你必须把理论应用于实践。
3）begin/start with 从......开始
认识从实践开始。
Knowlegdge begins with practice.
to begin with = to start with
以......开始，由......作为开头，首先起初，我一句也没弄明白。
To begin/ start with,I couldn't understand a single word.
① He (began) his speech (with) a poem.
② His speech (began) (with) a poem.
③ （To) (begin) (with）,pet are good friends of many lonely

people,especially the old.
4) in all directions 四面八方，各方面
   in every direction 向各方面，向四面八方
   in the direction of 朝......的方向
   你准备往哪个方向走，向南还是向北？
  In which direction are you going,south or north ?
  展览厅朝什么方向？
  What diractions does this exhibition hall face ?
2、（What it was to become）was uncertain until between 4.5 and 3.8 billion

years ago when the dust settled into a solid globe.(P25)
1)what it was to become 是由what 引导的主语从句。句子结构：
 what+主从+is...till+时间名词+定从
 他要给我什么礼物一直不知，知道昨天下午他来看我时我才知道。
 What gift he would give me was uncertain until yesterday afternoon when he
 came to see us.
没人知道我们将要得到什么样的工作，直到3年后我们从大学毕业以后才知道。
What jobs we will get is unknown until 3(years) later when we will graduate
from university.
2)"be+不定式"结构通常用来表示“按计划或安排将要做的事情”，或表示上级对下级、

父母对子女下命令，或表示“某事将必然发生”。
你的班主任给你一个口信，要你下课后到她的办公室去。
Here is a message for you from your head
teacher:you are to go to her office after class.
更糟糕的事情还会发生
The worst is still to come.
我们明天将开会。
We'll hold a meeting tomorrow.
=We are to hold a meeting tomorrow.
=A meeting is to be held tomorrow.
这趟火车将于上午10:25到达北京。
The train is to arrive in Beijing at 10:25 am.
3)settle into a solid globe.
=settle and  turn into a solid globe.
sttle into 习惯于（新环境、新工作等）
没过多久我就习惯了这个新工作。
It didn;t take me long to settle into a new job.
4)globe n.[C]球体，地球仪，（the）地球
这种植物能在地球上许多地方生长。
This plant can grow in many parts of the globe.
桌子上有个很大的木质地球仪。
There was a big wooden globe on the table.
这家公司的员工遍布世界各地。
3.The earth became so violent that it was not clear wheather the shape would
last or not.(P25)
1)violent adj.强暴的，猛烈的。
船在海上强烈的风暴中沉没。
The boat sank in a violent storm at sea.
She died a violent death(暴死)。她惨遭横祸。
强烈的风暴经常伴随雨、雪或冰雹。
violently adv.强暴地；猛烈地
violence n.暴力，强暴；，猛烈
网上的一些节目充满了暴力。
Some programs on the Internet are full of violence.
风异常猛烈地吹着。
The wind blew with great violence.
2)last vi.持续；持久，保持良好状态；维持，够用
  vt.够...之用；度过，拖过。
These shoes will last.
这些鞋经久耐穿。
我们的水快要用完了。
Our water will not last long.
他病得厉害，估计拖不过今夜。
He is very ill,and isn't expected to last the night.
食品够我们再吃几天。
The food will last us a few more days.
4.It exploded loudly with fire and rock.They were in time to produce carbon,nitrogen,water vapour and other gases,which were to make the earth's atmosphere.(P25-26)
1)explode vi.爆炸，爆破；爆发，突发，迸发
The boss exploded with anger when he saw the sales report.
当老板看到销售报告时，他气炸了。
explode with laughter  哄堂大笑
炸弹爆炸了。
The bomb exploded.
我把花瓶扔到了地板上，花瓶砰地一声摔个粉碎。
I threw the vase on the floor and it exploded into tiny pieces.
vt.使爆炸
恐怖分子在一家商店引爆了一枚炸弹。
The terrorists exploded a bomb in a store.
孩子们燃放了三个爆竹。
2）loudly adv .响亮地，高声地
loud adj/adv.与sing,speak,talk连用
aloud adv.相对默读而言，出声
根据句子的意思在括号里填入适当的词。
①Will you please speak (louder)?
②It is good for you to read English (aloud) every morning.
③The bomb exploded (loudly).
④Is her voice (loud) enough ?
⑤Action speaks (louder) than words.
3) in time 迟早，最后；及时，不迟
如果坚持下去，你们总有一天会成功的。
If you keep on,you will succeed in time.
总有一天我会遇见他。I'll see him in time.
他们及时赶上了汽车。 They caught the bus in time.
她来得及回来准备晚饭。
She will be back in time to prepare dinner.
in time /out of time 合/不合节拍
观众合着音乐的节拍拍手。
The audience clapped in time to the music.