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The need for schools to prepare for21st century learning was top of the agenda at this year 's BETT conference .

本年度英国教育技术展的首要任务是让学校为21世纪的学习做好准备。

We 're King bett america .

我们使美国的明天更好。

Bett Padgett , who heads the Outer Banks Lighthouse Society , which petitioned the federal government for funds to restore Bodie Island 's once-crumbling lighthouse , warns of solar flares knocking out satellites .

外班克斯列岛灯塔协会（该协会曾请求联邦政府拨款整修一度年久失修的Bodie灯塔）会长BettPadgett提醒人们太阳耀斑会让卫星暂时失灵。

The results also indicate that anti-feeding rate and death rate as well as growth inhibition rate of armyworm have correspondingly changed with the concentration change of the extract : the higher the concentration of extracts applied on armyworm , the bett the anti-feeding effect .

研究还表明，随乙酸乙脂萃取物浓度的变化，粘虫的拒食率、死亡率及生长发育抑制率都会有相应变化。且随着萃取物浓度的增加，对粘虫的拒食作用增强。