.对下列元音进行描写:a__,o__,e__,t__,-i[ ]__,-i[ ]__,er__。

Randolph can’t h__ o__(闲逛，厮混) with us tonight. He’s working on a paper for one of his classes.

听o说o珠o海o海o泉o湾o比o较o高o级o,不o知o道o温o泉o票o价o贵o不o贵o?

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一个长方形长a宽b,周长是（）面积是（）快!(#‵′)凸快!加速加速加速!今天就要!有急用!快!有急用啊!(⊙o⊙)啊!(⊙o⊙)啊!(⊙o⊙)啊!(⊙o⊙)啊!(⊙o⊙)啊!(⊙o⊙)啊!(⊙o⊙)啊!(⊙o⊙)啊!(⊙o⊙)啊!(⊙o⊙)啊!(⊙o⊙)啊!(⊙o⊙)啊!(⊙o⊙)啊!(⊙o⊙)啊!(⊙o⊙)啊!(⊙o⊙)啊!(⊙o⊙)啊!(⊙o⊙)啊!(⊙o⊙)啊!(⊙o⊙)啊!(⊙o⊙)啊!(⊙o⊙)啊!(⊙o⊙)啊!(⊙o⊙)啊!(⊙o⊙)啊!(⊙o⊙)啊!(⊙o⊙)啊!(⊙o⊙)啊!(⊙o⊙)啊!(⊙o⊙)啊!(⊙o⊙)啊!(⊙o⊙)~~~~(>_____________________________________________________________________________________________________________________________________________________________

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下列键能大小顺序中正确的是（） A: O＜O＜O B: O＜O＜O C: O＜O＜O

【单选题】对于理想液态混合物的混合过程,混合前后下列关系正确的是 () A. △V=O, △H=O, △S>O, △G<O B. △V<O, △H>O, △S>O, △G<O C. △V<O, △H>O, △S<O, △G>O D. △V=O, △H=O, △S<O, △G>O A. △V=O, △H=O, △S>O, △G B. △V O, △S>O, △G C. △V O, △S O D. △V=O, △H=O, △S O

幼儿读小学,小学读中学,中学读大学,大学读幼儿寓意是什么？O:-)O:-)O:-)O:-)O:-)O:-)O:-)O:-)O:-)

颗粒材料的密度ρ、表观密度ρo。与堆积密度ρ′o之间，下列关系中何者是正确的( ) A: ρo＞ρ＞ρ′o B: ρ＞ρo＞ρ′o C: ρ′o＞ρo＞ρ D: ρ＞ρ′o＞ρo