单词:posttest-only control group design
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Cars in the Future As big cars cause many problems,such as pollution, shortage of parking space,crowded trfafic,scientists are now trying to design some small cars that may some day replace todays big automobiles.If more people begin to drive such ca
This Business English Pod lesson is the final part in our series on handling a crisis. Well see how to start moving forward after the first phase of a crisis has passed. A crisis is a stressful situation. People are under pressure and meetings or con
1051 、 规身 stock 1052 、 规柄 stem 1053 、 规格 specification 1054 、 许可应力 permissiblestress 1055 、 设计 design 1056 、 设计元素 designelement 1057 、 设计作业;专题
AS IT IS 2016-01-28 Deadly Shootout Between Police, Anti-Federal Group Federal and state police officers have exchanged gunfire with members of an armed group in Oregon, killing one person. The armed group had taken control of a federal wildlife area
Hows this for a possible new culprit for breast cancer sufferers: they may be able to blame their grandmas diets. Thats the implication of a study done with rats. Researchers affiliated with the Georgetown University Medical Center fed a group of pre
The ruling party in Singapore has named a likely replacement to Prime Minister Lee Hsien Loong. Lee is 66 years old and has said he will step down at age 70. He is the son of Singapores founder, Lee Kuan Yew. Late last week, Singapores 57-year-old fi
08Buying Stamps at the Post Office GLOSSARY stamp a small piece of paper that is put on an envelope so that it can be sentthrough the mail* When they sent the wedding invitations, they used stamps with pink hearts andwhite roses. denomination the amo
A new study presented at the 68th Annual Conference of the Cardiological Society of India (CSI) has revealed that yoga could be the answer to reducing blood pressure in patients with prehypertension. 印度心脏学会第68届年会上提出的一项新
This is Scientific Americans 60-Second Science, I'm Cynthia Graber. This will just take a minute. In vitro fertilization(试管受精) efforts can be helped by oddly enough oral contraceptives .That's the finding from Tel Aviv University, site of the
Leadership 领导力 Leadership is the ability to make people listen. 领导力是使人听从于你的能力。 Do you think you have leadership? 你认为你有领导力吗? If you have leadership, you are able to control a group of people. 如果你
Key Sentences (重点句子) 256.Welcome to our factory. 欢迎到我们工厂来。 257. I've been looking forward to visiting your factory. 我一直都盼望着参观贵厂。 258. You'll know our products better after this visit. 参观后
Troops from the Islamic Courts Union, a former insurgent group that now backs Somalia's new president, have taken over control of checkpoints in the capital Mogadishu from government soldiers. The development comes as Ethiopian troops, who patrolled
Our focus today is on something called Operation Inherent Resolve. This is an international effort to rid the world of the ISIS terrorist group. 我们今天的节目重点是坚如磐石行动。国际社会旨在消除ISIS恐怖组织。 We discuss
By Mil Arcega Washington 08 March 2007 watch Export Control report A coalition of technology and manufacturing associations is pushing for an overhaul of the nation's export control system. The group claims current U.S. regulations aimed at keeping
Beijing is considering listing smog as a meteorological disaster, but the move has been questioned. 北京正考虑将霾列为气象灾害,但此举引发了质疑。 The legal committee of the Beijing Municipal People's Congress started work on t
SAN FRANCISCO, Aug. 17 (Xinhua) -- A hacker on Friday revealed a security flaw that he claimed could make Apple's iPhone particularly vulnerable to text message cheating. The flaw has existed since iPhone was first launched in 2007, and is still not
By Alisha Ryu Nairobi 02 October 2009 Kismayo, Somalia Al-Shabab militants in Somalia have claimed control of the country's southern port town of Kismayo, one day after deadly fighting with a rival Islamist group. But the city remains tense amid rep
STEVE INSKEEP, HOST: Let's ask what a classic test of child psychology shows in a different culture - a test of self-control which involves being presented with a tasty marshmallow, which you're not supposed to eat. Researchers found a culture where