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谁能给我一些不长的优美句子 谁能帮我找5句优美的句子,不用太长,一两行的 求40句优美的句子要出处（不要太长） 命题P:方程x2/（k-4）-y2/（k-2）=1表示双曲线,命题q：方程x2/(k-1)+y2/(5-k)表示的是焦点在x轴上的椭圆.若p或q为真命题,且p且q为假命题,求实数k的取值范围 不理解这个MATLAB程序,能用数学公式帮我解释下吗.funtion y=ill(t,x)a=1;b=0.3;y=[a*x(1)*x(2)-b*x(1),-a*x(1)*x(2)]';ts=0:50;x0=[0.02,0.98];[t,x]=ode45(ill',ts,x0);[t,x]plot(t,x(:,1),t,x(:,2)),grid,pauseplot(x(:,2),x(:,1)),grid, each player tried his best to( )the game.a.beat b.defeat c.catch d.win laughs best who laughs lastHe laughs best who laughs last 佩亚诺余项泰勒公式是什么?佩亚诺余项泰勒公式的形式是什么啊?求极限? 佩亚诺余项泰勒公式Ln(1+X）=x-(x^2)/2+(x^3)/3········(-1)^(n-1)·(x^n)/n+o(x^n)这个式子也可以写成这样吗,Ln(1+X）=x-(x^2)/2+o(x^2),为什么?那同样的道理，我写成Ln(1+X）=x-(x^2)/2+(x^3)/3+o(x^3)，可以不 having lost consciousness for twenty hours ,the wounded soldier____at lasta came to b came through为什么不选b A bullet hit the soldier and he was wounded in _____ leg. A：a B：one C：the D：this A bullet hit the soldier and he was wounded in the leg.这句话怎么翻译?哪些是固定搭配? The soldier was wounded,yet he pushed on.yet 在这句话中是什么词性，怎么翻译? he operating soldier wounded the is on连词成句 宇宙有多大呢?人类可以到宇宙中生活吗? 我们人类生活在广阔的宇宙里,宇宙拥有 有谁能告诉我人生的意义是什么!人类在宇宙中其实微不足道. 怎样才能持续保持一种积极向上,努力进取的精神状态呢 为什么伏尔泰会对中国的儒家思想推崇备至 He tried and tried his very best not to join in. He tried his best to solve the problem,______ difficult it wasA.however B.no matter C.whatever D.although请问答案是A,请问别的为什么不行? ___difficult the problem was,he tried his best to solve it.A.No matter B.Although C.Whatever D.However 求定积分 ∫[-2,1] 1/(11+5x)^3dx 奋斗真正含义是什么?如题! 为什么伏尔泰会认为中国的早期政治是“开明专制'? 英语翻译如果有什麽固定短语之类的去告诉我 he tried his best to save the drown girl,but unfortunately she died.改错 翻译?The best of his melodies Putin tried his best to forge new links between Russia and the West.句子翻译 创业有什么意义从社会和个人职业发展等角度回答,我是一个中专生,学的计算机…急! 9+x^2分之3-x的不定积分是多少 ∫（3-2x）^3dx求不定积分