时间:2018-12-10 作者:英语课 分类:河北教育初中英语(初中起点)九年级下


英语课

[ti:UNIT 2 DNA 1 Lesson 16 Unit Review]

[0:01.176]UNIT 2 第二单元

[0:02.885]DNA

[0:05.472]Lesson 16: 第16课:

[0:07.626]Unit Review 单元复习

[0:09.619]I.

[0:10.436]Building Your Vocabulary 构建你的词汇

[0:12.825]A.

[0:13.790]Complete the sentences with the proper forms of the given words.

[0:18.445]B.

[0:19.299]Complete the sentences with proper words using the first letters given as your guide.

[0:25.303]C.

[0:26.454]Choose proper phrases 2 to complete the sentences.

[0:30.663]neither ... nor ... 两者都不

[0:32.817]except for 除……以外

[0:34.785]what if 如果……的话会怎样

[0:36.406]not only ... but also 不仅……而且

[0:39.712]at the same time 同时

[0:41.487]D.

[0:42.789]Complete the passage with proper words or phrases.

[0:46.745]II.

[0:47.641]Grammar in Use

[0:49.593]Fill in the blanks with proper words.

[0:52.806]III.

[0:53.916]Speaking the Language

[0:56.127]Complete the following dialogue.

[0:59.005]IV.

[0:59.827]Putting It All Together

[1:01.683]A.

[1:02.653]Fill in each blank with a proper word.

[1:06.328]Dolly the sheep was the first cloned 3 animal in the world. 绵羊多利是世界上第一只克隆动物。

[1:10.982]She was born in 1996 and died from lung disease 4 in 2003. 她出生于1996年,于2003年死于肺病。

[1:17.941]B.

[1:19.265]Play "Stop-Go"

[1:21.715]Start the game with 10 volunteers from the class.

[1:26.779]When the teacher says "Go,"

[1:29.393]the volunteers walk quickly throughout 5 the classroom, looking down at the floor.

[1:36.597]When the teacher says "Stop,"

[1:38.975]the ten students stop, look up and pair up with the students sitting closest to them.

[1:47.290]First, the partners in each new pair shake hands and greet each other.

[1:53.554]Then, they tell each other something they can or can't do,

[1:59.057]using the "Ability and Inability" expressions on this page.

[2:04.916]When the teacher says "Go" again,

[2:07.901]the 10 volunteers sit down in their partners' seats.

[2:13.232]The 10 new students start to walk quickly throughout the classroom,

[2:18.931]looking down at the floor until the teacher says "Stop" again.

[2:24.028]C.

[2:25.074]Written work

[2:26.769]If you want to study in a school in England,

[2:30.620]you have to send your own self-introduction to that school.

[2:35.517]Use what you have learned 6 in the unit and write a paragraph 7 about your abilities.

[2:41.895]Do you Know? 你知道吗?

[2:43.509]Ability and Inability 能力和不能

[2:46.672]He can ride a bike. 他会骑自行车。

[2:49.223]He's able to pass the math exam. 他能通过数学考试。

[2:53.261]Brian is good at football. 布莱恩擅长踢足球。

[2:56.660]Scientists can take DNA from one kind of animal 科学家可以从一种动物上提取DNA,

[3:01.924]and put it into another kind of animal. 并把它放进另一种动物的体内。

[3:05.899]They can't combine their DNA. 他们不能合成他们的DNA。

[3:09.631]How far can you jump? 你能跳多远?

[3:12.695]Can I take a plane to the bakery? 我可以把飞机带到面包房去吗?

[3:16.391]Coordinating Conjunctions 8 并列连词

[3:19.447]Bacteria are neither plants nor animals. 细菌既不是植物,也不是动物。

[3:24.143]From your DNA, 从你的DN中,

[3:25.991]scientists can identify not only you but also people related 9 to you. 科学家不仅可以识别你,还可以识别与你相关的人。

[3:33.490]What would you name your new animal or plant? 你给你的新动物或植物起的什么名字?

[3:38.271]She didn't ask for both a size and a feeling. 她不是说表示尺码和感觉的两个词都要。

[3:42.904]Now I need either a size or a feeling. 现在我需要一个表示尺码或感觉的词。

[3:42.904]

[3:42.904]

[3:42.904]



1 DNA
(缩)deoxyribonucleic acid 脱氧核糖核酸
  • DNA is stored in the nucleus of a cell.脱氧核糖核酸储存于细胞的细胞核里。
  • Gene mutations are alterations in the DNA code.基因突变是指DNA密码的改变。
2 phrases
n.短语( phrase的名词复数 );成语;说法;乐句
  • Sports commentators repeat the same phrases ad nauseam. 体育解说员翻来覆去说着同样的词语,真叫人腻烦。
  • Television sports commentators repeat the same phrases ad nauseam. 电视体育解说员说来说去就是那么几句话,令人厌烦。 来自《简明英汉词典》
3 cloned
v.(使某物)无性繁殖( clone的过去式和过去分词 )
  • Even so, on experimenter can predict which of the remaining fragments will be cloned. 即使如此,任何实验工作者仍不能预料剩下的片段中哪个将无性繁殖。 来自辞典例句
  • Recently, some English scientists announced that they produced a cloned sheep. 最近,英国一些科学家宣布他们造出了一只克隆羊。 来自互联网
4 disease
n.疾病,弊端
  • The doctors are trying to stamp out the disease.医生正在尽力消灭这种疾病。
  • He fought against the disease for a long time.他同疾病做了长时间的斗争。
5 throughout
adv.到处,自始至终;prep.遍及,贯穿
  • These magazines are sold at bookstores throughout the country.这些杂志在全国各地书店均有发售。
  • Guilin is known throughout the world for its scenery.桂林以山水著称于世。
6 learned
adj.有学问的,博学的;learn的过去式和过去分词
  • He went into a rage when he learned about it.他听到这事后勃然大怒。
  • In this little village,he passed for a learned man.在这个小村子里,他被视为有学问的人。
7 paragraph
n.段落,短评;vt.将…分段,分段落;vi.写短评
  • Each paragraph begins on a new line.每段都另起一行。
  • There's a paragraph on the matter in the paper.报纸对这件事有一短篇报道。
8 conjunctions
n.连词( conjunction的名词复数 );结合;联合;(恒星、行星等的)合
  • "And", "but"and"whereas" are conjunctions. and,but和whereas是连词。 来自《简明英汉词典》
  • Prepositions and conjunctions are particles. 介词和连词是小品词。 来自《简明英汉词典》
9 related
adj.有关系的,有关联的,叙述的,讲述的
  • I am not related to him in any way.我和他无任何关系。
  • We spent days going through all related reference material.我们花了好多天功夫查阅所有有关的参考资料。
标签:
学英语单词
Abbe-Zeiss counting cell
acetylbromide method
additional fertilization
agropyrene
Albendin
Angulus occipitalis
anti statism
as flat as one's hand
asymmetrical minor
boorsch
brown red antimony sulfide
bulk diode
button noses
capital of North Dakota
catheterization of sigmoid
centre-tapped secondary
classical picture
coachworks
cofield
compound self-excited diesel generator set
crux of the matter
CSTAT
days-by-days
DC high
debt servicing charge
Dirty Price
dithorium
double noncentral f distribution
dual impression
end-play
enoxacin
exsoldier
feel strongly
Flintbek
glassess
grayfield
ground-launcheds
Hedmark Fylke
iron welding wire for autogenous welding
Lanternithus
lateral compression
linguistic atlas
materials-handling
McCrea
McFall
memory protocol
ministerio
more by accident than design
NIGMS
nonclub
nucleus tuberis laleralis
on-chip capacitance
OODL
ortho-para conversion
overprescribes
pallidum
Photinia calleryana
plowh
pneulift
policide
program-subprogram structure
proverbize
punctura Douglasi
push plate with finger push
real earnings
refuelling replacement batch
relief block
repplier
restoration chair
rhombic hemihedral class
Riverians
roller stripper
rural life
school dormitory
serial line
shared assembly program
slimishness
Sobral do Campo
sovereignest
spatial estimator
speak well
special system
speed-torque characteristic
Spirillum metchnikovii
steamed cracking unit
step-back
stormfinch
sunlight illuminance
take some beating
thermal break-through
thornbuckle
tightie whiteys
to comprehend
tool materials
trip key
truck garden
tunnel plug
unsolicited information
virr
walnut tree
Windows Imaging Format
wristlet