想邀请ta照相搜索结果第13页,早教吧

早教吧育儿知识作业答案考试题库百科知识分享

创建时间资源类别 相关度排序

共找到 1370744 与想邀请ta照相相关的结果，耗时340 ms

已知圆M:x2+（y-2)2=1,设B,C是直线l：x-2y=0上的两点,它们的横坐标分别为t,t+4(t∈R),过p在作圆M的切线PA,切点为A.⑴若t=0,MP=根号5,求直线PA方程⑵经过A,P,M三点的圆的圆心是D,求线段DO长的最小值. 数学

---HowlonghaveyoubeeninBeijing?---Iyouhere.A.didn't;know;B.didn'tknow;hadbeenC.don'tknow;areD.don'tknow;were参考:这道题的参考答案为A(我想不通!) 英语

参考答案为A(我想不通!)

（2007•广东）已知简谐运动f(x)＝2sin(π3x+φ)(|φ|＜π2)的图象经过点（0，1），则该简谐运动的最小正周期T和初相φ分别为（）A．T=6，φ=π6B．T=6，φ=π3C．T=6π，φ=π6D．T=6π，φ=π3 其他

关于T细胞的叙述，正确的是（）A．T细胞只存在淋巴中B．T细胞可直接处理抗原无需吞噬细胞的呈递C．T细胞在抗原的刺激下产生淋巴因子增强B细胞的作用D．在抗原的刺激下T细胞产生抗语文

i"m sure you"d rather she went to schoolI"m sure you"d rather she went to school by bus,______?A.hadn"t you B.wouldn"t you C.aren"t I 英语

.didn't she不应该

If I hadn"t stood under the ladder to catch you when you fell,you____now.A wouldn"t be smiling B couldn"t have smiled C won"t smile D 英语

idn't smile

If I hadn"t stood under the ladder to catch you when you fell,you___now.为何不用C?A.wouldn"t be smiling B.won"t smileC.couldn"t be smiling 英语

D.didn't smile

If i hadn"t stood under the ladder to catch you when you fell ,you ___ now.A wouln"t be smiling B couldn"t have smiled C won"t smile D 英语

didn't smile

1.She ( )the guitar until she finishes her homework.A.didn"t practiseB.hasn"t practisedC.practiseD.won"t practise2.As the saying ( )," 英语

here there is

I_______ have watched that movie —it’ll give me horrible dreams.A.shouldn’t B.needn’t C.couldn’t D.mustn’t既然答案选A表明本不应该做的实际却做了,那为什么后面用“ 英语

t’ll give me”这

热门搜索：