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1. unstable

2. "they say: 'i wonder why she kept her head down in the meeting; i wonder why she's not eager to take over that project; i wonder why she's leaving early a couple days a week," kay says. "you're planting questions in their head."

3. scientists have long investigated stem cells' potential for growing hearts, and they reached a major milestone this year when they created heart tissue than can beat on its own.

4. 万分沮丧之下，他发明了可以允许自拍的东西：他称之为"伸缩杆"。因为智能手机还没发明出来，所以，连接在自拍杆末端的是一个微型相机。在杆的前端有一面小镜子，方便使用者调整他们在相机里的姿态。他在1983年为"伸缩杆"申请了专利。虽然自拍杆进行了大量生产出售，却属商业败笔——相片的质量比较差。另外，以前的研究表明，那时的女士会因自己有自拍的想法而感到尴尬。在2000年，自拍杆被韦恩·弗洛姆(wayne fromm)重新发明，那时，上田宏的"伸缩杆"专利期尚有三年。弗洛姆称他的自拍杆为"快捷豆荚"。他认为他才是当今自拍杆的发明者，甚至起诉其他自拍杆生产者。当被问到上田宏的自拍杆时，弗洛姆评论说它们是"先前的艺术"。

5. 随着他不断运用网络来搜集知识，达洛伊西奥意识到，他急需一个能让他快速确定文章阅读价值的方法。于是他构想了一个摘要工具，能运用语言学理论来编写低于400字的内容提要。

6. swiss school imd comes top in the ranking of open-enrolment courses, available to all working managers, and jumps two places to second for customised programmes, which are tailor-made for corporate customers. iese of spain holds on to the top spot in the custom ranking and remains second in the open ranking.

应用

1. the housing slump has cut demand for iron ore, energy and other commodities. higher global supplies have exacerbated the gap between supply and demand and pushed raw materials prices lower. this dynamic is not expected to change in the near term despite measures such as the interest rate cut in november.

2. 单词expansion 联想记忆：

3. the nations of the world have agreed to try to limit the warming to 3.6 degrees fahrenheit, which would require that emissions slow down and then largely stop in the next 30 years or so. if they continue on their present course through the century, scientists say, the earth could warm by as much as 10 degrees fahrenheit above the preindustrial level, which would likely be incompatible with human civilization in its current form.

4. the government-sponsored students have signed an agreement that says they are required to reimburse the government if they do not return home after completing their studies, said xiong binqi, vice president of 21st century education research institute.

5. 单词retreat 联想记忆：

6. 在经济大幅放缓和复苏不顺的过程中，美联储的计划几乎都没有按照原先设定的那样去实施，美联储官员们现在也公开承认了这一事实。美联储主席贝南克(ben bernanke)上个月在其最后一次新闻发布会上表示，美联储对于增长步伐感到失望，同时也没有完全弄明白其中的原因。

旧版特色

1. “for years we had chinese growth going gangbusters and us rates going down,” says josh crabb, head of asian equities at old mutual global investors, the asset management arm of old mutual, the insurer. “but transaction volumes have dried up quite significantly, so we are not really sure what the prices are. that looks like a tough fundamental outlook.”

2. 欧盟的美洲布局

3. having reached the current stage of development, china can now advance only through reform and innovation. we have the largest quality workforce as well as the largest pool of scientists, engineers and professionals in the world, and their potential for innovation is truly tremendous.