拉格朗日问题,积分最小问题

A: I need somebody to come over and fix my internet. B: What's wrong with it? A: For some reason it's just not connecting. B: How long have you been having this problem? A: It hasn't been working the past few days. B: Does the internet come up at all

发表于:2018-11-30 / 阅读(183) / 评论(0) 分类 英语情景对话-日常生活

[00:08.00]Unit 8 Lesson 1 No problem [00:10.80]1.Excuse me. Hi.Can I help you? [00:15.38]I have an appointment at the Blacksmith House Cafe in Cambridge. [00:18.67]How can I get there,please. [00:20.35]2.Do you know where in Cambridge? It's in Harvar

发表于:2018-12-03 / 阅读(182) / 评论(0) 分类 直捷英语

Eve and Adam are talking. E: Do you know I've put on 5 kilos since going out with you? A: Why's that? E: You're always taking me to fancy restaurants. A: Well, you don't have to eat so much when we ea

发表于:2018-12-08 / 阅读(214) / 评论(0) 分类 赖世雄中级美国英语

本讲为2005年下半年新的教学内容,请对照教材听录音! I heard him _sing_ (sing). I don’t like letters _written_ (write) in pencil. Such programs could teach the local people how

发表于:2018-12-15 / 阅读(123) / 评论(0) 分类 自考英语(一)78讲

She reads the math problem. John has three apples. He gives one apple to Mary. He gives another apple to Billy. How many apples does John have? She thinks. Three apples minus two apples is one apple. John has one apple. The answer is one. She shows h

发表于:2018-12-31 / 阅读(161) / 评论(0) 分类 儿童英语小故事

Simon was an inveterate fisherman, well known for exaggerating the size of

发表于:2019-01-03 / 阅读(102) / 评论(0) 分类 英汉幽默故事选读

Direction:For this part,you are allowed 30 minutes to write a composition in three paragraphs.You are given the first sentence of the three paragrapgs.Your part of the composition should be no less than 100 words,not including the words given.Remembe

发表于:2019-01-08 / 阅读(133) / 评论(0) 分类 英语四级作文范文

A man was at the doctor's office.

发表于:2019-01-11 / 阅读(267) / 评论(0) 分类 英汉幽默故事选读

By Greg Flakus New Orleans 28 August 2006 One year after the devastation caused by Hurricane Katrina in New Orleans, one of the city's main engines of economic activity is back with a vengeance. Business at the port is now above pre-Katrina levels.

发表于:2019-01-13 / 阅读(152) / 评论(0) 分类 2006年VOA标准英语(八月)

Harry had a bit of a drinking problem. Every night, after dinner, he took off for the local watering hole. He spent the whole evening there, and arrived home, well inebriated, around midnight each night. He always had trouble getting his key into the

发表于:2019-01-16 / 阅读(118) / 评论(0) 分类 趣味英语

Hungary Has A Xenophobia Problem RACHEL MARTIN, HOST: Take A Number is our series that uses a numerical figure to explore problems around the world. And today's number is 10, which is the percentage of Hungarians who, according to a new EU survey, ar

发表于:2019-01-16 / 阅读(132) / 评论(0) 分类 2018年NPR美国国家公共电台4月

The problem with GUYS: If you treat them nicely,he says you are in love with him; If you don't,he says you are pround. If you dress nicely,he says you are trying to lure him; If you don't ,he says you are from Kampunc. If you argue with him,he says

发表于:2019-01-17 / 阅读(101) / 评论(0) 分类 白领英语晨读

A bald man took a seat in a beauty shop. How can I help you? asked the stylist. I went for a hair transplant, the guy explained, but I couldn't stand the pain. If you can make my hair look like yours without causing me any discomfort, I'll pay you $5

发表于:2019-01-22 / 阅读(109) / 评论(0) 分类 英语笑话(MP3+文本)

Simon was an inveterate fisherman, well known for exaggerating the size of the one that got away. But there came a day when he actually caught two enormous flounders. He immediately invited a few friends over to dine, then tried to figure out how bes

发表于:2019-02-02 / 阅读(114) / 评论(0) 分类 趣味英语

By Paul Sisco Washington 01 November 2007 The World Health Organization reports in its latest study 300 million adults around the world are considered obese, and that it is a problem not only in the industrialized nations but elsewhere as well. At th

发表于:2019-02-04 / 阅读(128) / 评论(0) 分类 VOA常速英语2007年(十一月)

Employee: The stress my boss puts me under is killing me. I have migraines(偏头疼), my blood pressure is going through the roof, I can't sleep at night, I just found out that I have an ulcer(溃疡), and as long as I stay in this job, the on

发表于:2019-02-06 / 阅读(121) / 评论(0) 分类 趣味英语

A man was at the doctor's office. Every time I drink a cup of coffee, Doctor, I have a stabbing pain in my right eye. What should I do? he asked . Take the spoon out of your cup. answered the doctor. Notes: (1) stabbing adj.刺痛的(2) spoon n.匙子

发表于:2019-02-08 / 阅读(130) / 评论(0) 分类 趣味英语

有些词汇美国人每天都要讲,而且还可能要讲上无数遍。他们在办公室里用,在饭馆里,商店里以及其他任何场合都用这些词汇。所以有的人认为它们都成了老调,听都听腻味了。今天我们要

发表于:2019-02-12 / 阅读(143) / 评论(0) 分类 美国习惯用语

One day in the Garden of Eden, Eve calls out to God, Lord, I have a problem!What's the problem, Eve?Lord, I know you've created me and have provided this beautiful garden and all of these wonderful animals, and that hilarious comedy snake, but I'm ju

发表于:2019-02-13 / 阅读(124) / 评论(0) 分类 趣味英语

How to Solve Every Problem What makes solving problems difficult is that we often dont know everything that we need to solve in order to be able to move forward. Every problem you face will always present you with at least 3 obstacles. To be able to

发表于:2019-02-16 / 阅读(129) / 评论(0) 分类 阅读空间
学英语单词
affrightest
air-float separator
analog computation
anterior osseous semicircular canal
API (application programming interface)
Armigeres obturbans
attainable standard cost
back drop
basic internal operation of lathe
be operating under capacity
benzidion
biton marginata shiraki
blast-furnace dust
bone collar
carboxylic resin
chan-bahlum
chromatics
closed-cycle iodine laser
compensatory leave
cone passage
dead chert
Deb. spis.
decunted
delta-staphylolysin
depot reaction
disparaging
does
duellation
esotropias
exchange control risk
exhaust manifold gasket
fab-ms
family Bombycillidae
Fermi Yang model
ferrous ferricyanide
flame-proofing agent
flax shives
four-degree
G.I.B.
geschwinds
goldblums
Hall's sign
hydroelectrization
hyperaphia
hyperlipoprotememia
in the employment of
laconizing
lamellibranchea trochophora
liquid in glass thermograph
mbasogo
moment axis
moruya r.
multi-function sensor
multiple pattern
Nasitrema
neurodegenerating
nighttime population
nonsuperheated
norcurane
noxious wildlife
Olym
on a vast scale
open two-wire line
order zygnemaless
otoacoustic emission processor
pay raises
pecten pyxidatus
plastering machinery
plusbus
pop-ons
Posavina
postfixial
pressurizing pump
push brace
repeat point
Rhododendron fargesii
Sachsen
salpingooophoritis
salutatorium
Santa Elena
seamless transfer
sensationalizer
silicone enamel
singaround
single phase bridge rectifier
slight breeze
SNR - signal-to-noise ratio
spoon-shaped tooth
stinters
stirrable
Strauss, Johann
strenger
structural change(darlington 1929)
subjoin
submarine sandwiches
tetraclitella darwini
textilelike
to shift to a berth
turfdom
vector counter
ventilating flap