时间:2019-01-09 作者:英语课 分类:河北教育初中英语(初中起点)八年级下册


英语课

[ti:UNIT 4 Look into Science! Lesson 31: Surprise Your Friends!]

[0:00.598]UNIT 4 第四单元

[0:02.622]Look into Science! 走进科学!

[0:05.152]Lesson 31: 第31课:

[0:07.589]Surprise Your Friends! 让你的朋友们吃惊!

[0:10.533]To: 寄:

[0:11.591]Li-Ming@net. cn

[0:16.190]From: 来自:

[0:17.294]danny@intersaurus. com

[0:21.847]Subject: 主题:

[0:23.549]An Experiment 1! 一次实验

[0:26.033]Date: 日期:

[0:27.137]24/04 5:57 PM

[0:33.346]Hi, Li Ming! 你好,李明!

[0:35.002]Do you want to surprise your friends? 你想让你的朋友们吃惊吗?

[0:38.359]Brian, Jenny and I did 2 an experiment in science class. 布赖恩,珍妮和我在科学课上做了一个实验。

[0:43.648]You can do it, too! 你也可以做!

[0:46.040]First, you need to get ready. 首先,你需要做好准备。

[0:49.076]Get a glass full of water and a piece of cardboard 3. 拿一只装满水的杯子和一张纸板。

[0:53.307]Tell a friend to sit down. 让一位朋友坐下。

[0:55.699]Cover the glass with the cardboard, and turn the glass over. 将杯子用纸板盖上,把杯子倒过来。

[1:00.666]Hold it over your friend's head. 把它举在你朋友的头顶上面。

[1:03.748]Tell your friend, "I am going 4 to take my hand off 5 the cardboard. 告诉你的朋友:“我将把我的手从纸板下面拿开。

[1:09.083]Will the cardboard hold the water in the glass?" 纸板会承受住杯子里水的重量吗?”

[1:13.498]"No, I don't think so," your friend will say. “不,我不认为是那样,”你的朋友一定会说,

[1:18.512]"Keep your hand on the cardboard, please!" “请将你的手放在纸板上!”

[1:22.237]Next, take your hand off. 接着,拿开你的手。

[1:25.181]The cardboard will hold the water up! 纸板将承受水的重量而不使它掉下来!

[1:28.676]Air is heavier than we think! 空气比我们想象的要强大!

[1:31.712]It pushes 7 down on us from above. 它从上面给我们以压力,

[1:34.870]It also pushes up on us from below 8. 也从下面给我们以压力。

[1:39.101]In the experiment, air pushes up on the cardboard. 在这个实验里,空气给纸板向上的压力。

[1:44.068]But it can't push 6 down on the water because the water is inside 9 the glass. 但是它不能给水以向下的压力因为水装在杯子里。

[1:50.875]The air holds the water! 空气支撑着水!

[1:53.727]Science is interesting. 科学很有趣。

[1:56.165]Don't you think so? 你不那么认为吗?

[1:58.510]Your friend, 你的朋友,

[1:59.798]Danny 丹尼

[2:01.224]Did you try this experiment? 你试过这个实验吗?

[2:04.857]LET'S DO IT! 做一做!

[2:06.130]Prepare an interesting experiment you have tried before or have seen 10 in your science books. 准备一个你试过的或是在你科学书上看过的有趣实验。

[2:13.073]Do it and describe 11 it to your class. 做实验并向你的同学们描述。

[2:13.073]

[2:13.073]

[2:13.073]



n.实验,试验,尝试;v.实验,尝试
  • We decided to begin the experiment in the evening.我们决定晚上开始那个实验。
  • Why did he do that experiment once again?为什么他再次做那个实验?
v.动词do的过去式
  • How many goals did you score in the last game?上一场比赛你们进了几个球?
  • Why did you choose basketball in the first place?你为何首先选择篮球呢?
n.硬纸板,卡纸板
  • She brought the shopping home in a cardboard box.她将买的东西放在纸箱里带回家。
  • There is a sheet of stiff cardboard in the drawer.在那个抽屉里有块硬纸板。
n.去,离去,地面(或道路)的状况,工作情况;(复数形式)goings: 行为;adj.进行中的,流行的,现存的
  • We're going to listen to a report this afternoon. 今天下午我们要去听报告。
  • He hates leaving the office and going on holiday.他不愿离开办公室去度假。
adj.远的;休假的,空闲的;adv.走开,出发,隔断;prep.离开,脱落,在...之外
  • You'd better cool off first.你最好先冷静下来。
  • I need some time off.我需要一些时间休息。
vt.推;使突出,使伸出,使延伸;大力推进,推行;通过,促使;vi.推;推进;伸展
  • Don't push against me!别推我!
  • If you always push him too hard,he may make mistakes.要是你总逼他太紧,他可能会出错。
v.推,推动( push的第三人称单数 );对…施加压力;逼迫;按
  • When I give the command, everybody pushes off together. 我一声令下,大家就一起用桨把船撑离河岸。 来自《简明英汉词典》
  • He never pushes himself forward. 他从不强出风头。 来自《简明英汉词典》
prep./adv.在……的下面;低于……
  • I looked down at the hall below.我瞧了瞧下面的大厅。
  • The temperature is below zero.温度在零度以下。
n.内部,内脏,内幕;adj.内部的,秘密的,户内的;prep.在...之内
  • Two minutes later we were inside the taxi.两分钟以后我们已经坐在出租车里面了。
  • He will be back inside two days.他将在两天内回来。
vbl.(see的过去分词)看见
  • Since I left college, I have not seen him.自从我离开大学以后,就没有见过他了。
  • I hope to have seen the film next week.我希望下星期能看到这部电影。
vt.描绘,描写;形容,把…说成
  • Can you describe your son?你能描述一下你儿子 吗?
  • It is very difficult to describe my joy in words.我的快乐难以用语言来形容。
标签:
学英语单词
abeigh
absolute heating effect
accumulator address
acoustoelectric
aircraft wireless control
APPMPE
articular surface
arylhydroxylamine
Aso-wan
baby vamp
backward magnetic tape
beadnell b.
beta-gamma survey meter
bowel disease
calculating the charge
caveperson
cistron (benzer 1957)
clearcreekite
confidentiality key management services
contract high
corrugated hose
creamed chicken and ham soup
cunnilinctuss
decomposition curve
dedicated data
derrick head fitting
digital-camera
dimensional equation
disgorgements
ed-mund
edge of coverage
engineering control of air pollution
extractive netallurgy
fire sb up
fractured hydrocarbon reservoir
Gelidocalamus solidus
general interconnecting network
green-room
had no conception of
harmful impurity
hayel
hentoffs
Heraclitan
horizontaldischarge tube
hydrometer degree
hylobates concolor
idropise
indicated specific heat consumption
inverse circulation
junction pole transposition
Kisubi
krakoff
lay a hand on
least-integral-square error
leonensis
liner rerms
methoxygossypol
mini-stages
motive picture
normalized device coordinates
ONE OUT OF
osteochondrous
Osvaldo
oven-dry weight
perceptio
petiolary
petroleum deposit
pipelined system
position-transducer
posse
practicing license
protein paint
punchless
queynt
reflection interferometer
reflexogenic
run-time binding
Sauveterre-la-Lémance
Scotry
signal mechanic
silicon micromachining
st. pierre
stainable
Stavka
strong component
stufffed animal
T-beam
Taewang-ri
telisa
temlisartan
theobromine
toora
Topografov, Pik
trawling gear
triuncina brunnea
turn ... upside down
unturbaned
video-conference
wear-and-tear
web application manager
xantholith (staurolite)
year planner