曲面参数方程的法向量

This person is of medium height.She has short hair There are always some people think I'm gigantic loser这里面有什么语法错误 Dogs can help blind 软妹是什么意思 in a short time 和 after a short time 的区别 take Lily gets up at 6:00 in the morning 改为否定句 he gets up at seven in the morning改否定句 mike has breakfast at six in the morning(改为否定句 The young man helped the old man ____The young man helped the old man ____ the streetA pass B crossed C across At the bus stop were a young man and a few old a few old ladies. at the bus stop were a young man and a few old ladies The Young Pioneer made( )the old man .A.room for B.a room for C.room to D.a room to These bridges can help people cross roads s _____.填什么? 重复一次：These robots can help look for the people.这句话哪里错了?望知情者回答! Li Lei always hurries to school in the morning.改同义句 in a short time中time讲可数吗? in a short time和for a short time的区别 This is the ther?翻译成中文. This is Danny Deer翻译成汉语 W:Who is your best friend,Tim?M:My best friend is Brian W:Why dose not he t__ to you now?M:Because we had a f____ the day before testerday.W:How did it s____ M:When he wanted to copy my homework.I did not think it was a good i___ for him to copy m___ 【软妹是啥?】好久没来了 .我的妹妹不可能这么软? 是one or two year还是one or two years for two or one year(years)哪个对,why 选择He is going to have a holiday for ()?A a day or two days B one or two days C a year and two 有道词典背单词的时候不可以拼写吗?不可以在设置背单词的时候加上单词分解吗?比如 Name N_a_m_e 标准照明体和标准光源的区别? 电脑有道词典的单词本背单词,点击记得或不记得,下一个单词直接出现并发音,为什么平板上不行?平板电脑也连接了无线网络,单词后面有小喇叭,点击小喇叭可以发音.我就是想和电脑上一样不 如何区别As is known to all与It is known to all? it known to all还是it is known to all they had an i_____meeting yesterdaywe b______we should win .take some m____there times a day and have a good rest. What are some reasons for having zoos?What are some reasons for not having zoos?Make a chart怎么回答？ 女生在男生书上写One or two years time是什么意思