A.bird B.skirt C.first D.air 选读音ir不同的一项

A.bird B.skirt C.first D.air 选读音ir不同的一项 Hang ( )your skirt a/on b/up c/off Look at that bird!Oh,__beautiful bird!A.what B.what a C.how There is a bird（A.of B.to C.for)bird tree. How many ____?One bird A,abird B,birds C,bird Look at that bird!——Oh,（ ）Look at that bird!——Oh,（ ） beautiful bird!A.what B.what a C.how 选哪个! has,girl,bird,in,blue,a,the,skirt,tall,the(连词成句） The girl in the red skirt has a bird in hea hand 帮翻一下中文 the nurse in a dirty skirt is feeding the bird 请帮忙翻译, this什么liiy's A skirt;is Bare;skirt C is;skirt My dress,please.Here is my( ).A.shirt B.skirt C.My dress,please.Here is my( ).A.shirt B.skirt C.ticket D.book The young girl _____ a red skirt today . A wears B dresses C in Dputs on Is she ( ) a skirt today?A.put on B.wear C.wearing I（ ）a skirt last month A buy B bought C to buy D buys 根据划线部分,给英语单词归类（括号里是划线部分）a.bird (ir) b.learn (ear) c.nures (ur) d.doctor (or) e.teacher (er) f.mirror (or)g.work (or) h.shirt (ir) i.skirt (ir) j.worker (er) k.officer (er) l.picture长元音：短元音 Look,there is a bird（）that tree.A in B on C atLook,there is a bird（）that tree.A in B on C at 以下对FIR和IIR滤波器特性的论述中正确的是( )A.FIR滤波器主要采用递归结构B.IIR滤波器不易做到线性相位C.FIR滤波器总是稳定的D.IIR滤波器主要用来设计规格化的频率特性为分段常数的标准滤 There is ( )phoenix,it exists only in legends a ) not such bird as b)no such a bird as c)not such a bird as d)no such bird as