线粒体的作用是什么

Every day he begins to do his homework ___1on ten past seventh 2 in seven ten 3 at ten past seven 4until ten 说明原因 he goes to school at a_______ past seven every mrning Every day he begins to do his at ten past seven Every day he begins to do his at ten past He likes_.he likes_,too.A.makeing/swimming B.making/swim究竟选什么？ ）4.He likes _________.He likes _________,too.A.make/swimming B.making/swim C.making/swim she likes to swim .she likes swimming.she likes swim.这3个有啥区别呢 He likes swimming.He can swim good.改错 (x/5+4/5)-x+5=(0.1x/0.3)+1-(x/2-1) do you like listening to t后面填什么 Do you like listening to m 后面填什么 做下(2)和(3)题 He does like swimming.does 在句中是助动词还是实义动词?这是什么类型句子? 过双曲线外一个定点作直线与双曲线只有一个交点,这样的直线有几条（分类讨论）我觉得LX说的：“当定点在对称中心所在区域但不在渐近线上时，这样的直线有4条(2条切线，2条平行于渐近 数学直线与双曲线交点问题.过 整点 P作与双曲线 X平方-Y平方=3有且仅有一个公共点的直线L 若L恰好有3条,则点P的坐标是多少?我觉得这题有问题啊 我觉得L至多就两条了 怎么会是3条呢? 直线与双曲线的交点怎么求直线2x-y-10=0与双曲线x2/20-y2/5=1的交点坐标 关于直线和双曲线交点问题当 有一个公共点时 ,①直线的斜率 等于 双曲线的渐进线的斜率,② 将直线 与双曲线联立,求△ 求一道高二数学题目,关于双曲线与直线交点类型的问题.求解,急用,在线等过点A(6.1)作直线l与双曲线x2-4y2=16 相交于A.B两点,A为中点.求直线方程 从这里到银行要走十分钟.这句话怎么翻译成英语?要用到ten minutes' walk in ten minutes 定义在R上的奇函数f(x),若当x小于0时,f(x)=x2+x,则当x大于等于0时,f(x)=? 下课十分钟,英语.ten minutes after class不要 in ten minutes 是在10分钟里面,还是后面? in ten minutes 是十分钟后 还是十分钟之内 设f(x)是定义域为R的奇函数,且当x大于或等于0时,f(x)=x2(x+1)则当x 已知tanα是方程x2+2xsecα+1=0的两个根,求α的值.同上~X后的2是平方的意思,我不会打平方. he likes swimming,too.（一般疑问句） 帮个忙,这几个词怎么填,“笑”字开头的成语. 是spare no effort to do还是spare no efforts to do? 不遗余力不做某事是spare no efforts not to 比如,我们应该不遗余力地不要使用一次性塑料袋,怎么说呢? be used to do sth.used to do sth.be used to dong sth.之间有什么区别? L must spare no efforts to do my bit I spent two hours in doing my homework yesterday这是一道求同义句的英语题目,希望过程要完整,