等差数列;算术数列, 等差数列

Section A [00:01.23]1. M: I haven't decided which subject to major in [00:04.96]physics or chemistry. [00:07.76]W: It isn't easy to choose,is it? [00:10.21]Q: What does the woman mean? [00:13.87]2. W: The map shows that this street goes downtown. [00

发表于:2018-11-29 / 阅读(193) / 评论(0) 分类 决胜四级听力必备

Section A [00:01.54]1. M: My grandpa died in 1978. I was 18 years then. [00:08.20]W: That means he would be 76 if he were alive. [00:11.49]Q: How old was his grandpa when he was dead? [00:14.45]2. M: Why are you going so fast? [00:17.53]Where are you

发表于:2018-12-01 / 阅读(235) / 评论(0) 分类 决胜六级英语听力

This is Scientific American's 60-Second Science. I'm Cynthia Graber. This will just take a minute. Its the time of year to take a look backand thats just what the journal Science did as they listed their most important breakthroughs of 2008. At the v

发表于:2018-12-02 / 阅读(137) / 评论(0) 分类 Scientific American(十二)月

[0:0]arithmetic arouse arrange算术 引起,唤起 安排,准备 [0:37.8094]arrest artificial artistic aspect逮捕,拘留 人工的,人造的 艺术的,美术的 方面,面貌 [1:31.0307]assemble assembly assess asset混合,聚集 立法机构,议会 对...估价 人价值的,优点 [2:22.6436]as

发表于:2018-12-05 / 阅读(132) / 评论(0) 分类 闭着眼睛飘单词 四级词汇

图片 by Jason Marshall Its not often someone suggests that knowing some math could make you the life of the party, but thats exactly what Im going to do. Yes, a properly timed delivery of a few fun facts about the famed Fibonacci sequence just migh

发表于:2018-12-07 / 阅读(139) / 评论(0) 分类 数学英语

[ti:UNIT 7 Enjoy Your Hobby Lesson 56:Unit Review] [0:01.051]Unit 7 [0:02.631]Enjoy Your Hobby [0:04.894]Lesson 56: [0:06.943]Unit Review [0:08.907]I. [0:10.231]Building Your Vocabulary [0:12.963]A. [0:14.500]Fill in each blank with the proper word o

发表于:2018-12-10 / 阅读(149) / 评论(0) 分类 河北教育初中英语(初中起点)八年级上

发表于:2018-12-12 / 阅读(78) / 评论(0) 分类 医务英语

This is Scientific American's 60-Second Science. I'm Steve Mirsky. Got a minute? The human genome was sequenced, and in the process of moving that forward the technology that was developed was incredible. And because of their efforts in human genome,

发表于:2018-12-24 / 阅读(186) / 评论(0) 分类 Scientific American(十)月

Describing Order and Sequence Patrick: Okay, your first task is to put all of these files in order. Maya: Wow, there must be hundreds of files in this storeroom. How am I supposed to organize them? Patrick: Create a basic filing system. Put things in

发表于:2018-12-27 / 阅读(132) / 评论(0) 分类 2014年ESL之商务英语

by Jason Marshall In the last few articles, weve talked about fractions and percentages, and soon enough well see that these ideas naturally lead us into the world of decimal numbers. But before we head down that path, lets take a quick detour to tal

发表于:2019-01-02 / 阅读(187) / 评论(0) 分类 数学英语

图片 by Jason Marshall Some math is functional. Some math is fun. And some math is simply stunning. If that last description sounds improbable to you, then today just might change your mind. Because now that weve covered enough ground, were going t

发表于:2019-01-02 / 阅读(219) / 评论(0) 分类 数学英语

by Jason Marshall In the last article, we began talking about mathematical sequencesin particular, a type of sequence known as an arithmetic sequence. Today, were going to turn our attention to another type of sequence called a geometric sequence. In

发表于:2019-01-02 / 阅读(170) / 评论(0) 分类 数学英语

This is Scientific American's 60-Second Science. I'm Steve Mirsky, got a minute? Neandertals were our closest relatives. And now we know a lot more about them. Because researchers have for the first time sequenced a complete Neandertal genomethat of

发表于:2019-01-08 / 阅读(151) / 评论(0) 分类 Scientific American(八)月

This is Scientific American's 60-Second Science. I'm Steve Mirsky. Got a minute? Robin Williams thought that the platypus was cobbled together by an inebriated deity: Lets take a beaver. Lets put on a ducks bill. Now we know how weird the platypus is

发表于:2019-01-08 / 阅读(146) / 评论(0) 分类 Scientific American(五)月

古埃及金字塔是奴隶制帝王的陵墓,最宏大的当为吉萨三座大金字塔。塔基呈方形,每边长230米,高146米,用230余万块巨石(每块平均重达2.5吨)垒成,国王墓室用一块400吨重的石板垒成。整体规

发表于:2019-02-01 / 阅读(110) / 评论(0) 分类 阅读空间

BEIJING, Aug. 22 (Xinhuanet) -- Researchers have discovered how a human egg captures an incoming sperm for fertilization, paving the way to help couples suffering from infertility, according to media reports on Monday. An international team of resear

发表于:2019-02-08 / 阅读(154) / 评论(0) 分类 英语新闻

Listen to the schedule of a business trip. Fill in numbers l-8 to point out the sequence of the schedule. I'm leaving for Milan on the 7th of June. l'II arrive there on the 8th evening at about 7:OOpm. Then, l'II take a shuttle bus to the hotel. On t

发表于:2019-02-17 / 阅读(119) / 评论(0) 分类 英语听力练习题

Listen to the dialogues and write the correct sequence of l-6 as mentioned in the dialogues. A:How do I search books from the computer? B:First, key in your PIN number. Then, it goes to the Library's Homepage. Then, you can choose any way you want to

发表于:2019-02-17 / 阅读(91) / 评论(0) 分类 英语听力练习题

每逢遇到牛人,小伙伴们都往往惊呼太有才了,大家知道如何用英文地道地表达赞叹之情吗?希望这8种夸人有才的表达方式,对大家有所帮助。 1.Your work is really impressive. 你的工作很出色! 2.He

发表于:2019-02-19 / 阅读(118) / 评论(0) 分类 英语口语

Thank you for being here,Fareed.Nice to have you on the show. 多谢你抽空前来 法里德 很高兴你能来上节目 Let's get started first with your background.I do think I know a lot about you. 首先聊聊你的背景 我觉得我很了解你

发表于:2019-02-23 / 阅读(132) / 评论(0) 分类 柯南脱口秀
学英语单词
acoustic-pulse propagation
aerolites
alluval deposit
anomalous interference figures
anti-beauty quarks
azimuth disk
back-slang
be capped
be short of
body clothes
can of corn
carlesimo
centenarial
cephalostegite
changing rooms
Chunarughāt
clear and add
coal-ball
collective field
Colorado blue spruce
Corollin
crookedcercal
cross your arms
data transmission and control system
detonating composition
dextrowarfarin
dictyoline wiefordii (hool.) j.sm.
display access
distance of run
down sprue
Dudhi
epipolar axis
Erne, River
eurosports
exchange effect
fear of appearing incompetent scale
flameflowers
forgery of money note
Glyguanide
gretes
gruberova
hammondest
highly-specialiseds
holding-down clip
hot-blast heating
Hurter and Driffield curve
Ilmington
input electrode
interpeduncular cistern
irradiation fuel
irrationlise
Kangjin
knotty point
Kosovska Kamenica
last-in first-out method of inventory costing
left-hand derivative
locked-rotor temperature-rise
lonchaeids
LSEP
mally
mansuetudes
massa innominata
merge number
mixing batter
monoureid
mutton flaps
newbuilding yard
non-perforated film
oraferon
oriented region
Pacific Telephone and Telegraph Company
panoramic sonic analyzer
passenger ticket for international through traffic
perspective model
photographic-emulsion technique
planning boards
pointleted
pump trip
re-organising
resource time
Ruppertsweiler
Russian boot
scoring off
semirational
sherry-lehmann
social research
soft x-ray
songwood
spacecraft wake
St-Julien-du-Sault
standard mapping
starboard elevation
successional species
sudden cough
sulfur anhydride
swedish miles
syllabify
T circuit
taffe
train flow diagram
ULRC
unsharps