单词：pretest-posttest control group design
单词：pretest-posttest control group design 相关文章
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
英语专业四级考试指南
4. This group generally do well in IQ test, scoring 12-15 points above the mean value of 100, and have contributed disproportinately to the intellectual, and cultural life of the West, as the careers of their elites, including several world-renowned
考研英语长难句讲解
automatic gain control 自动增益控制 automatic grid bias 自偏压 automatic hue control 自动色地制 automatic indexing 自动标引 automatic insertion 自动插入 automatic layout techniqu
电信英语
Unit 1 Have you ever been to an amusement park? [00:08.39]Have you ever been to Singapore? [00:10.81]Section 1 Before You Read [00:13.34]GROUPWORK [00:15.28]It's good to find out about a place you are [00:17.89]going to visit before you go there. [00
初中英语山东版八年级下
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
英文名句短语
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
2016年VOA慢速英语(一)月
Student Architects Shine in Solar Energy Contest Dreams and designs of young architects are shining brightly in Washington at the bi-annual Solar Decathlon. They have come from around the world, college students combining their education with their i
VOA标准英语2011年(九月)
Flu labs in all 31 provincial regions here on the Chinese mainland are now capable of testing for the H7N9 bird flu virus. So far 38 people in the Yangtze River Delta region have come down with the virus. 10 have died. We get more from CRI's Li Jing.
英闻天下
(BBC News)A new computer-based test for Alzheimer's could help identify the disease much earlier than previously possible. （英国国家广播公司报道）一种运用计算机进行的老年痴呆症测试，有助于更早发现这种疾病。
赖世雄英语新闻听力通
6 What do you know about the river Nile? [Ａ] It's the largest river in the world [B] It often flooded in large areas [C] It's the second larget river in the world 7 What did Egyptians build Aswan High Dam? [A] In order to sail up stream [B] In orde
听听测测
SCIENCE REPORT - February 28, 2002: Blood Test For Ovarian Cancer By Nancy Steinbach This is the VOA Special English Science Report. American medical researchers say they have developed a simple blood
科技之光
The Marshmallow Test棉花糖实验The marshmallow, a white, cottony, sweet confection is synonymous with temptation in the US. This all began 50 years ago when psychologist Walter Mischel sat 5-year-old children down at a table and gave them a simpl
英语新闻
By Nancy Steinbach Broadcast: July 9, 2003 This is Steve Ember with the VOA Special English Health Report. An American study has shown mixed results in testing the effects of a drug as a way to preven
VOA2003（下）-环境与健康
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
实用英语
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
VOA标准英语2009年(二月)
HAIKOU, Jan. 28 (Xinhua) -- China's aviation authorities(民航当局) on Friday started to allow helicopters to fly in low-altitude airspace over the tourist island of Hainan on a trial basis for the first time. The aim is to eventually open a part
英语新闻
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
2007年VOA标准英语（三月）
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
VOA标准英语2009年(十月)
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
2017年NPR美国国家公共电台7月