过锰酸钾滴定法

UNIT 8 Text A PRE-READING TASK Exercise 1 Before reading the passage, try to answer the questions. 1. How many years do you think it takes to double the world population now? 2. What might be the poss

发表于:2018-12-04 / 阅读(333) / 评论(0) 分类 实用英语综合教程

Unit 16 concluding a contract Mr Yu, pruchasing manger of NNC company is on the discussion with counter part Mr sean, marketing manager of EIF company limited, talking abour concrete contract terms for the improt business of PAA into China. S:Good mo

发表于:2018-12-25 / 阅读(166) / 评论(0) 分类 外贸英语口语

GWEN IFILL: Finally tonight, we return to one of another of our periodic essays. There are many hot topics under debate in 2016. Bestselling author Daniel Pink wants us to focus on one issue not making headlines, how the metric system measures up. DA

发表于:2018-12-31 / 阅读(154) / 评论(0) 分类 PBS访谈教育系列

1、报实价 This is to confirm uour telex of 6 April1997,asking us to make you firm offers for rice and soybeans Cf singapore.We telexed you this morning offering you 300 metric tons of一步polished rice at A$2,400 per metric ton ,cf singapore,for

发表于:2019-01-08 / 阅读(156) / 评论(0) 分类 天天商务口语

Fresh Water 淡水 Fresh water comes from ponds, lakes, rivers and streams. 淡水来自于池塘、湖泊、河流和溪流。 People use fresh water for drinking, farming and so on. 淡水可用于饮用、耕种等等。 People can only drink fres

发表于:2019-01-10 / 阅读(157) / 评论(0) 分类 与美国小学生一起学英文第3册

(a.) Dear Mr. Jones: We thank you for your letter dated April 8 inquiring about our leather handbags. As requested, we take pleasure in offering you, subject to our final confirmation, 300 dozen deerskin handbags style No.MS190 at $124.00 per dozen C

发表于:2019-01-21 / 阅读(208) / 评论(0) 分类 天天商务口语

Science and technology 科学技术 Animal behaviour 动物行为 Drip-feeding 滴定进食 Ecology raids the techniques of chemistry 生态学里应用上了化学技术。 Time to change restaurant 该换家馆子了。 BIOLOGISTS are sometimes acc

发表于:2019-01-26 / 阅读(193) / 评论(0) 分类 经济学人科技系列

Science and Technology Animal behaviour Drip-feeding 科技 动物行为 滴定进食 Ecology raids the techniques of chemistry 生态学里应用上了化学技术。 BIOLOGISTS are sometimes accused of physics envyand there is truth in this accusat

发表于:2019-01-26 / 阅读(174) / 评论(0) 分类 经济学人科技系列

Science and Technology Animal behaviour Drip-feeding 科技 动物行为 滴定进食 Ecology raids the techniques of chemistry 生态学里应用上了化学技术。 BIOLOGISTS are sometimes accused of physics envyand there is truth in this accusat

发表于:2019-01-26 / 阅读(186) / 评论(0) 分类 经济学人科技系列

生活大爆炸第四季第七集_3 剧情简介: The Big Bang Theory是一部以科学天才为背景的情景喜剧.四位科学天才分别是:可爱善解人意的Leonard,高智商零情商的Sheldon,会六国语言的 Howard Wolowitz,以及患有

发表于:2019-01-28 / 阅读(159) / 评论(0) 分类 生活大爆炸第四季

Delicacy was the key word. Not a whisper of disturbance could be allowed into the room containing the apparatus, so Cavendish took up a position in an adjoining room and made his observations with a telescope aimed through a peephole. The work was in

发表于:2019-01-29 / 阅读(158) / 评论(0) 分类 万物简史

66 成功维修比萨斜塔 DATE=7-12-01 TITLE=SCIENCE REPORT - Leaning Tower of Pisa Repaired BYLINE=George Grow (Start at 1'02

发表于:2019-01-30 / 阅读(175) / 评论(0) 分类 文化聚焦

Broadcast: May 6, 2003 By Mario Ritter This is the VOA Special English Agriculture Report. Nuts that grow on trees are an important part of the diet in many cultures. They also provide an important ex

发表于:2019-01-30 / 阅读(291) / 评论(0) 分类 VOA2003(上)-社会广角

得克萨斯州废气排放量仍居全美居首 HOUSTON, Oct. 23 (Xinhua) -- Texas remains to be the biggest greenhouse gas emitter in the United States, according to a report released Wednesday by the U.S. Environmental Protection Agency (EPA). Tex

发表于:2019-02-04 / 阅读(122) / 评论(0) 分类 英语新闻

BEIJING, Aug. 20 (Xinhua) -- China's crude oil production increased only 0.6 percent year on year to 17.24 million metric tons in July as the current economic slowdown dampened fuel demand in the country, according to data released by the National De

发表于:2019-02-07 / 阅读(163) / 评论(0) 分类 英语新闻

BEIJING, Feb. 25 (Xinhua) -- China will work to control coal consumption this year in the face of strained coal supplies, the country's energy chief said Saturday. Putting a cap on total coal consumption will help to hasten industrial restructuring a

发表于:2019-02-08 / 阅读(179) / 评论(0) 分类 英语新闻

Metric是来自加拿大多伦多的独立摇滚乐队,据说乐队是由多伦多艺术大学学生Emily Haines(女主唱)与拥有茱莉亚音乐学院古典音乐背景的James Shaw所领军的摇滚组合。 Wanna make a bet We'll be neck a

发表于:2019-02-11 / 阅读(120) / 评论(0) 分类 金属

1.无法提供客户想要的产品时回复 Dear Thank you for your enquiry of 12 March cate 9 cable. We appreciate your efforts in marketing our products and regret very much that we are unable to supply the desired goods due to excessive demand. W

发表于:2019-02-13 / 阅读(156) / 评论(0) 分类 实用英语

Reduce price and conclude a deal 降价达成协议 Mr. Smith, I'm wondering whether you have found a way of considering my offer? 史密斯先生 ,我想知道你方对我方的报价考虑好了吗? I certainly have the will but I wonder if I've

发表于:2019-02-15 / 阅读(151) / 评论(0) 分类 外贸英语话题王

1.无法提供客户想要的产品时回复 Dear Thank you for your enquiry of 12 March cate 9 cable. We appreciate your efforts in marketing our products and regret very much that we are unable to supply the desired goods due to excessive demand. W

发表于:2019-02-19 / 阅读(151) / 评论(0) 分类 英语新闻
学英语单词
adult educations
anti-islanding
apparent overconsolidation
arbitration scheme
argerich
availabe capacity
Bellini, Vincenzo
bivariate populations
blackboard system
Blokhus
boletus fraternus
bostryx
branching system
burnishers
bushrangers
capital budgeting system
chinese mulberry silkworm
color doctor
complex frequency plane
copyrighted data
cross-entry
crovatt
cupric gluconate
Cytisus scoparius Link
Dihydromocimycin
dimethylpyridine
dispersants
dividing strait
Dongola process
eightyear-old
elastic response
Enonkoski
envelope principle
extinctionists
f curve
fertilization of soil
fiber covered plywood
file designation
formatore
gaebler
garbagewomen
gigacoulomb
gre
ground clearance of bottom dump body
guaranas
help into
hip baths
hot water supply system
hymnographer
Hype Aversion
if I had a nickel for every time
ingluvial nerve
Ives, Charles Edward
La Chaux-de-Fonds
lag hysteresis
long offs
malapposed
meanel
meatus conchae turbinalis majoris
meteorological ship
multi-volumes
neocytosis
no bottom sounding
Ormosia nuda
Pensilva
personal cheques
plug-in type disconnecting switch
polymerasic
portify
postscenium
Potier reactance
precision measurement of length
premix molding
put down to someone's charge
radiofrequency plasma
random perforated cellulose fiber tile
regiving
regnaults
rich colour
road carrier
sanguisorba officinalis longifolia
scroll factor
servi
setting expansion
shiralees
Silvester's method
sings-sings
stemonidine
stereologic
supply without cost
surmoulage
Surveyor program
Takashima
the little mermaid
threepointers
transposition of subject
turret traversing mechanism
ventiquattrofogli
viridine
well-tolds
yamulkes