Try——ColbieCaillat Putyourmakeupon Getyournailsdone 1yourhair Runtheextramile Keepit2sotheylikeyou, dotheylikeyou? Getyoursexyon 3,girl Takeitoff Thisiswhatyouwant,tobelong, sotheylikeyou Doyoulikeyou? Youdon'thavetotrysohard Youdon'thaveto,giveitallaway Youjusthavetogetup,getup,getup,getup Youdon'thavetochange4 Youdon'thavetotry,try,try,try Youdon'thavetotry,try,try,try Youdon'thavetotry,try,try,try Youdon'thavetotry Youdon'thavetotry Getyourshoppingon, atthemall, maxyour5 Youdon'thavetochoose,buyitall,sotheylikeyou Dotheylikeyou? Waitasecond, Why,shouldyoucare,whattheythinkofyou Whenyou'reallalone,byyourself,doyoulikeyou? Doyoulikeyou? Youdon'thavetotrysohard Youdon'thaveto,giveitallaway Youjusthavetogetup,getup,getup,getup Youdon'thavetochangeasinglething Youdon'thavetotrysohard Youdon'thavetobenduntilyoubreak Youjusthavetogetup,getup,getup,getup Youdon'thavetochangeasinglething Youdon'thavetotry,try,try,try Youdon'thavetotry,try,try,try Youdon'thavetotry,try,try,try Youdon'thavetotry Youdon'thavetotry,try,try,try Youdon'thavetotry,try,try,try Youdon'thavetotry,try,try,try Youdon'thavetotry， Youdon'thavetotry Youdon'thavetotrysohard Youdon'thaveto,giveitallaway Youjusthavetogetup,getup,getup,getup Youdon'thavetochangeasinglething Youdon'thavetotry,try,try,try Youdon'thavetotry,try,try,try Youdon'thavetotry Youdon'thavetotry Takeyourmakeupoff letyourhairdown 6 Lookintothe7,atyourself Don'tyoulikeyou? CauseIlikeyou

【单选题】NO 2 、NO 2 - 、NO 2 + 键角大小关系正确的是 。 A. NO 2 > NO 2 - >NO 2 + B. NO 2 + >NO 2 >NO 2 - C. NO 2 - > NO 2 >NO 2 + D. NO 2 + > NO 2 - >NO 2

求定积分[img=179x43]17da65388c0b1ca.png[/img]； （ ） A: log(2^(1/2) + 1)/2 + 2^(1/2)/2 B: log(2^(1/2) + 1)/2 - 2^(1/2)/2 - 1/2 C: log(2^(1/2) + 1)/2 + 2^(1/2)/2 - 1/2 D: log(2^(1/2) + 1)/2 + 2^(1/2)/2 + 1/2

2 + 2 * (2 * 2 - 2) % 2 / 3

函数z=xsiny在点(1,π/4)处的两个偏导数分别为 A: √2/2,√2/2 B: √2/2,-√2/2 C: -√2/2,-√2/2 D: -√2/2,√2/2

2×2×2×2×2

HbF的构成主要是（） A: α2β2 B: α2δ2 C: ζ2ε2 D: α2γ2 E: ζ2γ2

胎儿期血红蛋白HbF的分子组成为（ ）。 A: ζ2ε2 B: α2Aγ2、α2Gγ2 C: ζ2 Aγ2、ζ2Gγ2 D: ζ2 Aγ2、 E: α2δ2 、α2β2

正常人血红蛋白多肽链的组成是 A: α2β2 B: α2γ2 C: α2ε2 D: α2δ2 E: σ2β2

函数[img=79x27]180355ae2690a03.png[/img]在x=2处的二阶泰勒展开式为 A: exp(sin(2))+cos(2)*exp(sin(2))*(x-2)+exp(sin(2))*(sin(2)/2-cos(2)^2/2)*(x-2)^2 B: exp(sin(2))+cos(2)*exp(sin(2))*(x-2)-exp(sin(2))*(sin(2)/2-cos(2)^2/2)*(x-2)^2 C: exp(sin(2))+cos(2)*exp(sin(2))*(x-2)-exp(sin(2))*(sin(2)/2+cos(2)^2/2)*(x-2)^2 D: exp(sin(2))+cos(2)*exp(sin(2))*(x-2)+exp(sin(2))*(sin(2)/2+cos(2)^2/2)*(x-2)^2