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When you spill a liquid on the ground, it splashes. But if youre a guy using a urinal, or, more important, if the liquid is dangerous, say, an infected blood sample, you want to limit splashing. In other words: If an accident happens, you want the dr
2016年Scientific American(十二)月
Cake Mixes And High Altitude Directions Look on the side of a cake mix box and you might find special directions for baking the cake at high altitudes. Why do bakers gave to adjust their cake ingredients when they live at higher elevations? Because a
英语时差8，16
UNIT 2 Personal Selling Integrated Skills Development Passage Selling Styles Selling styles differ in many ways but one fundamental difference is between the sales-oriented and the customer-oriented a
成人高教英语教材
归纳拓展跟动名词作宾语的动词 考虑建议盼原谅(consider/suggest/advise,look forward to, excuse, pardon) 承认推迟没得想（admit, delay/put off,fancy） 避免错过继续练（avoid, miss, keep/keep on, practise） 否认完成停
英文语法词汇
Want to step outside to take in the scenery or pick up some rocks? As familiar as it might look beyond the port hole, Mars is dangerously alien. The upside is the low gravity will give you super jumping abilities, the down, the almost complete lack o
自然百科2012年
今天我们要学的词是stereotype。 Stereotype, 有成见的意思。 Stereotypes based on gender, race and age are all wrong, 基于性别、种族和年龄的成见都是错误的。美国最近的好几项研究都显示，老年人其实要比
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