如何判断函数是否有界

book about love (english) are those book对吗怎么写 那些手表在哪里用英语翻_______are those ____________- How do you fine this book?同义句转换：____ do you ____ ____ this book?打错了。不好意思！fine 改成 find！ It is a bad idea for her to copy(为什么不是copying)other's homework.for介词后面为什么不用doing形式?说明一下这个句型 英语高手进,in surprise和with surprise,还有in delight和with delight的具体区别,诸如此类的总是靠感觉做,具体区别说不大清楚 Do you know what his father does?(改同义句) Do you know what his father's______ ______? 用24时计时法怎样表示凌晨5 时; 世界名校的校训,英语版顺便问一下哈佛那个,关于睡觉的名言也是校训吗? astonish,amaze,shock,wonder,surprise的区别及程度?都表示惊讶?..那表示的惊讶程度是?或者说..它们就是可以相互替换?最好不要从词典上直接搬下来的..简单明了就好.. astonish,amaze,surprise和wonder的区别要比较容易理解的解释,请不要把字典上的东西直接搬上来,附上例句, 请问surprise与surprised有什麽区别?例如：I'fell ＿＿＿．和 to my surprised的用法是不是一样的? 请说明水浒传、山国演义、西游记、金瓶梅、红楼梦、儒林外史、老残游记、聊斋志异所要反映的是?大略说明,每个不超过50字故事内容是反映那个时候的甚麼? I can hardly know ( ) so complex a matter in such a case A.how to do with B.what to do with C.whaI can hardly know ( ) so complex a matter in such a caseA.how to do with B.what to do with C.what to deal with D.how dealing with you have put me in a very a_____ position and now i don't know how to deal with the matter.怎么填? 用in surprise造一个句子 take by surprise还是by surprise he is too tired.he can't work 合并：he is ___ tired ___ ____. 教师怎么写好课时计划(教案)? _______he was tired ,but he still did his work .A.though B.so C.because D./ He is too tired __work__.他太累了,不能继续工作了．有两空！‘ 英语动词单复数主谓一致指“人称”和“数”方面的一致关系.单数主语用单数动词,复数主语用复数动词.-----------语法书原话.谓语动词的单复数指的是什么?谓语动词单复数形式：单数形式的 The biggest surprise for Joan was when she was chosen as team captainwhen 是引导的表语从句,这句话怎么翻译 she was very [surprise]适当形式变 括号的 My father is very tired but he is still working on the farm (改为同义句） He is old,buthe still goes on working,同义句_____he is old,______he still goes on working The old man is very tired,______he's still working hard.A.and B.or C.but D.because do you agree it is not right_______other peopledo you agree it is not right_______(laugh at)other people who are in trouble? 求形容长相相同的词... Bob will go to the picnic with us if he ( ) (not go) to visit his grandparents 用所给词的适当形式填空 1.It's not right for the students ___(copy)others' homework用所给词的适当形式填空1.It's not right for the students ___(copy)others' homework2.The ice here is __(thin)than that there3.Finishing the work in ____(copy) others' homework is bad for you.