简介:建立了与Hermite.Hadamard型不等式相关的(h-m)一凸函数积分平均值的估值公式.特别地,当被积函数是二元变量时,得到了非常一般化的积分平均值的估值公式,推广了前人的结果.
简介:1.alittle意为“一点儿”,“少许”,表示肯定;little意为“很少”,“几乎没有”,表示否定。二者都可修饰不可数名词。2.alotof(=lotsof),意为“许多”,既可修饰可数名词,又可修饰不可数名词,通常用在肯定句中。3.not…atall意思是“一点儿也不”,用在否定句中,起加强语气的作用。如:Idon'tlikepotatochipsatall.我一点也不喜欢炸土豆条儿。
简介:Ⅰ.单项填空1.You'dbettergiveuptheidea.Ifyoudonot,youwillgo____theboss'swishes.A.forB.afterC.withD.against2.____1,000workersand200otherpeopleworkedinthefactory.A.AtallB.InallC.AfterallD.Aboveall3.——Didyousaysorrytoyourclassmate?
简介:Ⅰ.单项选择1.——Hestillhasn'tfinishedtheworkaftersuchalongtime.——He____veryhard.A.mustn'thaveworkedB.canhaveworkedC.can'thaveworkedD.shouldn'thaveworked2.——It'salreadyseveno'clock.MissLiuhasn'tturnedupyet.——She____thebus.