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英语基础差,是先多记词汇呢还是先读语法呢?现在要专升本,英语差不多都不会了.我感觉的先记词汇这样学语法句子看的懂,但是别人都说记单词得结合句子,而这样子语法又不懂,记句子好累阿 求函数y=cos2x+asinx+2的最大值g(a),并求出g(a)=5时, 英语翻译From everyone according to his capacities,to eveyone according to his need.All for the people but nothing by the people.这两句话怎么翻译? 求翻译和解释from each as they choose,to each they are chosen.既要直译也要意译. 英语翻译before I could take a seat at my desk for my morning duties. 一个运动场的形状与大小如图,这个运动场的占地面积是多少?沿运动场边线跑一圈是多少米? 桑椹胚与囊胚的区别是什么?为啥桑椹胚可进行胚胎分割? 人教版高中语文必修5整个高中只有这5本吗?文科 each man to his own 什么意思 matlab 保存txt数据时,发现小数点位数减少,如何保证位数不变,起码小数点后8位以上我用的是：fprintf(fid,'%f\n',matrix(i,j)); A man works in a factory and get his pay at the end of each weeks.One Saturday he got his pay 1.and counted the money.Suddenly he found what 2.it was wrong.There were five pound more than 3.he should get.He had put the money in his pocket 4.and said 已知函数f(x)=x分之x的平方+2x+a,x属于[1,正无穷大）. 当a=2分之一1时,判断并证明f(x)的单调性当a=-1时,求函数f(x)的最小值.需要过程 已知函数f(x)=x分之X的平方+2x+a,X属于[1 ,+正无穷大],判断并证明函数的单调性 who is your cousin?The girl in y____ is is the girl your cousin做否定回答 the girl who i spoke to is my cousin.等不等于the girl who i spoke is my cousin? how was the place different from your hometown 翻译 英语翻译还有In the north,the winters are long and hard,WHILE the west coast of Canada is a fairly warm place in winter.里的while 是怎么个用法 my hometown is far from the city 翻译 do you think so和are you think so 那个语法错了? Their classroom is in Building C.对C划线部分提问..We can play football in the playground.改为祈使句 You do not think so 哪位进来瞧瞧,数学题不会啊,郁闷.某是初中生人数是居民人数的10分之1，高中生的人数是初中生人数的5分之2，中专人数是高中生人数的4分之3,大学生人数是中专人数的8分之1，那么大学生人 ..苦恼中...设f（x）是定义在R上的奇函数,当x大于0时,f（x)=xx+x+1 （x的平方+x+1）当x小于0时 求f（x)的解 do you think this和do you think so的区别 Peter can (play football) in the playground.(对括号部份提问） ____ _____Peter____in the playground? Choose the best topic from A to F according to the meaning of the passage． 写数学题时烦躁.怎么办写久了、特别是自己不懂的时候.就特烦.想哭去.怎么办 郁闷的数学题.有一首古诗：“鸡鸭共一篮,鸡为鸭之斗,八鸭展翅飞,六鸡在下蛋,再点鸡鸭数,鸭为鸡三倍,请你算一算,鸡鸭各多少?”你知道答案吗? What do you think?与What do you think so?有什么区别 人教版六年级数学下册111页例2问题2、3怎么回答?急 i have holes on the top and botton.and i have holes in the middle,yet i still hold water.i have hol