氢氧方钠石

3.C.LISTENING: [00:07.60]Listen to the conversations.Put a check under the foods you hear. [00:15.75]1.A.Do we need anything from the supermarket? [00:22.52]B.Yes.We need a pound of apples,a bunch of bananas,and a head of lettuce. [00:31.16]2.A.What

发表于:2018-12-01 / 阅读(338) / 评论(0) 分类 SBS朗文国际英语教程 练习册 2

UNIT 3 What's this in English? [00:06.40]Section A Activity 1b [00:12.15]Listen and circle the things you hear. [00:17.11]conversation 1 [00:20.77]A:What's this in English? [00:24.22]B:It's a ball. [00:27.38]conversation 2 [00:31.01]A:What's this? [0

发表于:2018-12-13 / 阅读(211) / 评论(0) 分类 新目标初中英语七年级

[00:07.00]1 Listen to the tape and fill in the correct information in the spaces below. [00:15.15]1.Walk along the street of any major city, [00:21.32]and you will see that the air you breathe is not very fresh. [00:27.27]Air pollution is a serious p

发表于:2018-12-13 / 阅读(165) / 评论(0) 分类 高中英语人教版2000年高一

[00:04.60]sly small [00:06.97]a.狡猾的,偷偷摸摸的 a.小的;少的 [00:09.35]smart [00:10.78]a.漂亮的,潇洒的;聪明的,巧妙的,伶俐的v.剧痛,刺疼 [00:12.20]smash smell [00:14.72]v.n.打碎,粉碎 n.气味,臭味;嗅觉

发表于:2018-12-15 / 阅读(159) / 评论(0) 分类 考研英语词汇2005

美国很多居民小区都设有小区委员会,别看编制不大,权力可不小。我有个朋友Amy,她家的小区委员会管得就特别宽,从各家各户房子的颜色到院子护栏的风格,都要经过审查。Amy最近想架个

发表于:2018-12-16 / 阅读(123) / 评论(0) 分类 美国习惯用语

Unit 15 [00:03.21]We're trying to save the manatees! [00:07.26]SECTION A [00:10.32]1b Listen and circle the words in activity 1a that victor [00:18.26]and Ginny use to describe the animals. [00:52.90]2a Listen and match the words and definitions. [01

发表于:2018-12-17 / 阅读(247) / 评论(0) 分类 新目标初中英语九年级(全一册)

This is Scientific American's 60-Second Science. I'm Steve Mirsky. Got a minute? On June 4th we told you about iron snowflakes on Mercury. Today we have some radical news about the atmosphere of Venus. Literally, a radical is a molecule that reacts e

发表于:2018-12-24 / 阅读(70) / 评论(0) 分类 Scientific American(六)月

26After the plague the Lord said to Moses and Eleazar son of Aaron, the priest, 2Take a census of the whole Israelite community by families-all those twenty years old or more who are able to serve in the army of Israel. 3So on the plains of Moab by t

发表于:2018-12-30 / 阅读(120) / 评论(0) 分类 民数记

Erythromycin,红霉素 Azithromycin,阿奇霉素 Clarithromycin,克拉霉素 Fluoroquinolones and their derivatives (e.g. levofloxacin),多西环素(如:脱氧土霉素) Tetracyclines (e.g

发表于:2019-01-03 / 阅读(83) / 评论(0) 分类 医务英语

分集介绍:导数,商数,正弦和余弦 Derivatives.of.products.quotients.sine.cosine

发表于:2019-01-05 / 阅读(326) / 评论(0) 分类 麻省理工学院公开课:单变量微积分

She was beautiful. She had a big smile and pretty teeth. I want to be her boyfriend, Mark thought. One day he saw her alone in a restaurant. She was eating fries and a burger. He wanted to join her. But he couldn't just sit down. That might be too fo

发表于:2019-01-22 / 阅读(109) / 评论(0) 分类 英文短篇故事(纽约)

Katie Couric: Samantha Heller is a clinical nutritionist at the New York University Medical Center and a contributor to Health magazine. Hi! Samantha. Good morning. Samantha Heller: Hi. Katie Couric:

发表于:2019-01-22 / 阅读(98) / 评论(0) 分类 访谈录

I saw something a bit disturbing last week. I had to stop at a drugstore to pick something up, and while there I saw a kid about thirteen years up buy a Monster drink, about 24 ounces of caffeine fix. That in itself saddened me, to think that this ki

发表于:2019-02-01 / 阅读(58) / 评论(0) 分类 阅读空间

So I promised a closer look at baking soda. It seems to be a huge resource for a lot of things. And you dont get much cheaper than $1 for a powerful cleaning agent. So here is my list of the top uses for baking soda. Some will seem familiar as we hav

发表于:2019-02-04 / 阅读(120) / 评论(0) 分类 阅读空间

A British adventurer is spreading his own message in a bottle by crossing the Pacific Ocean aboard an 18-meter catamaran made of thousands of plastic soda bottles. David de Rothschild's unusual boat is his way of drawing attention to the plastic poll

发表于:2019-02-05 / 阅读(83) / 评论(0) 分类 VOA标准英语2010年(七)月

By Mike O'Sullivan Palmdale, California 06 September 2006 Engineers in the California desert are testing a new communications platform that blends modern electronics with old technology. Developers say a helium-filled balloon carrying high-tech equi

发表于:2019-02-07 / 阅读(143) / 评论(0) 分类 2006年VOA标准英语(九月)

Mommy, my turtle is dead, the little boy, Myrddin, sorrowfully told his mother, holding the turtle out to her in his hand. The mother kissed him on the head, then said, That's all right. We'll wrap him in tissue paper, put him in a little box, then h

发表于:2019-02-18 / 阅读(146) / 评论(0) 分类 趣味英语

She walked up to the drink machine. She fed it a dollar bill. She pushed the button for a cherry soda. The machine buzzed. Then it said, We're so sorry. We cannot accept your money for this product. It has calories, and you are overweight. Please sel

发表于:2019-02-22 / 阅读(72) / 评论(0) 分类 英文短篇故事(纽约)

Topics: Preventing Violence in Schools Post Columbine; American Territories: U.S. Virgin Islands; although versus even though; lite; rate versus rank Words: campus massacre outcast bullied minor to claim clique to retaliate Caribbean inhabitant exoti

发表于:2019-02-23 / 阅读(82) / 评论(0) 分类 美语听力 English Cafe

Because we can't see into the Earth, we have to use other techniques, which mostly involve reading waves as they travel through the interior. 我们无法看到地球的深处,因此不得不使用别的方法,主要包括观察波在地球内部的

发表于:2019-02-25 / 阅读(91) / 评论(0) 分类 万物简史
学英语单词
-crowned
17-hydroxydesoxycorticosterone
Acta.
Adyghe
age at failure
agroecotype
augmentation assay
backscattered ultraviolet
biogenesis of mitochondria
borestrole ratio
Brachysporium blotch of rice
bud-shape
bursa granularis
bushy tree
c.c.c
carriage trades
cedary
chagrined
check matrix
Christensen unit
coffee berries
collaborativeness
conjuction
contrarie
correlational matrix
court of the union
deluca
Devoll
dorsal chord
double-track bridge
drunk as a fiddler
egg coke
Existenz
family bennettitaceaes
first-come, first-served
five wheels and eight belts
floating reserve
fluoroestrone
fog flow
geographical medicine
grid lines
gummase
guttmann
hashim
heliocentric angle
heterodimerised
hittable
Horatius Cocles
instrument of magneto telluric method
inverting element
isovalerophenone
ISWI
kalkaras
kittycorners
lawful issue
log reel
lost upon
maintenance price
measuring reservoir
membranal
menduss
microfluctuation
microwave attenuative ceramics
microwave hologram radar
Minas Novas
Nitrococcus nitrosus
Nobel, Alfred Bernhard
nonramified extension
obliterans arteriosclerosis
Oglethorpe, James Edward
Old Testament
parallel capacitor
Pascal's gamble
peretsman
Platysomidae
polyvinyl-formaldehyde
postmotum
powder metallurgy technology
propellant mixture
psychralgia
return_details
reykjahlid
rotuno
routinist
Santa Rosa, Mt.
scalar-type indicator
sprmatorrheal ring
square-type
sterilisings
stratificationalists
swirl crotch figure
system of production responsibility
transmission output shaft
ultrasonic-welding
virtual machine storage
viscero-pannicular reflex
WS-Transaction
x.229
yard measures
yucks
Zingara
Znamenskoye