Courseware for Teachers3A U4First, they visited the classroom, it is on the second floor, on thelibrary is on the ground floor, next to the toilet We can readis on the first floor We can playis next t
Teaching steps:Step1 Warm-up and Revision a GreetingbT: Children, now let’s play “Magic eyes” Let me see who has magic eyes (Show the key words as fast as possible and then give points to Ss)T:Now e
Courseware for Teachers3B Chapter 1ReadingSight WordsPre-readingLet’s read the -readingneighboursmountainsLet’s read thedoes Rick help himLet’s read thedoes the old man feel nowLet’s read thedoes the
U1 Helping otherlisten to a songHow are you today?I feeldo you sayhotangrysurprisedscaredexcitedworriedI do you sayAre you hot?Are you cold?Are you hungryAre you thirstyAre you boredAre you tiredGolde
Shopping FunGarage saleThings on sale67$55$89$50$77$66$56$60$On SaleWhat does Jojo want to buyJojo’s shopping letterDear Children,Things on this website are very cheap and niceI want to buyis ais blac
Courseware for Teachers3B Chapter 1ReadingSight WordsWrite down Match gameDo you like helping othersRole-play, describe the 3 peoplePre-readingFirst-readingneighborsmountainsWho are they Why the old m
矩阵的基本运算AX=B X=A-1B A必须是方阵A必须为方阵-9851393 12922889 9851393 -25842889poly2str(px)A=[231-1]b=[41]X=inv(A)b解:在线性代数中用消元法求线性方程组的通解的过程为:将0=0的一行去掉则原方程组等价于其中 k1 k2 是任意实数解线性方程组P145z1 = 复合辛
单击此处编辑母版标题样式单击此处编辑母版文本样式第二级第三级第四级第五级第三次课9-3 静电场中的电介质9-4 电位移 有介质时的高斯定理9-5 静电场的能量9-3 静电场中的电介质 - - - - - - -一 电介质对电容的影响 相对电容率相对电容率电容率 - - - - - - -二 电介质的极化无极分子电介质:(氢甲烷石蜡等)有极分子电介质:(水有机玻璃等)
高阶系统传递函数的一般表达式为:G = (n>m)为了研究方便将其表示为零点极点的形式: 从上式可以看出:高阶系统的瞬态响应由一些简单的函数项组成 这些函数项是一阶系统和二阶系统(0<ζ<1)的瞬态响应 响应中的各项函数不仅和一阶系统二阶系统的闭环极点有关而且和系数
2013510??单击此处编辑母版标题样式单击此处编辑母版文本样式第二级第三级第四级第五级Click to edit Master title styleClick to edit Master text stylesSecond levelThird levelFourth levelFifth level??单击此处编辑母版标题样式单击此处编辑母版文本样式第二级第三级第四级第五级2013510
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