when与what time有什么区别

相关推荐

• 高中英语（有分）改错,只有一个是对的.You know how pleased it is to receive a letter from a 1.____ friend of yours,and how much eagerly you open and 2.____ read it.Reading friendly letters are always an enjoyable 3.____ thing.As a matter of a fact,it is a way to visit those 4.____ friends and places which we usually can not talk with 5.____ and see them every day.When writing a letter,think 6.____ about the person to whom you are writing.What would 7.____ he like to kno
• sat作文题 求例子do people put too much emphasis on learning practical skills?do we live in a time when people do not engage in serious thinkingdo people depend on work-whether it is a job schoolwork or volunteer work ---to determine what their daily activities and interactions with others should be?郁闷啊 这三道题那些例子用不上啊 最多是反例审题 不仔细啊
• 河流发源地与起点处这2个有什么区别!比方说赣江的起点处形成了赣州市能不能说赣江的发源地 形成了赣州市
• 化学中单质,化合物,混合物与纯净物有什么区别?
• 沥青混合料AC-16C与AC-16F有什么区别?
• 子集与真子集有什么区别?”子集包含自身,真子集不包括自身”这是什么意思啊?举几个例子落!谢拉!
• 【数学】“M是P的真子集”与“M是P的真子集且P不包含于M”有什么区别?集合M={x|x=1+a^2,a∈N+},P=x{x|a^2-4a+5,a∈N+},下列关系中正确的是（简要说明一下理由） (A)M是P的真子集 (B)P是M的真子集 (C)M=P (D)M是P的真子集且P不包含于M这道题是选A还是选D啊?既然M是P的真子集,则P肯定不包含于M.D选项怎么有点怪怪的?
• 包含和属于的区别?属于与真子集有什么区别?小妹刚读初一,明儿数鞋期末考,集合不太扎实哈!还有,1.属于.不属于的符号,真包含于.包含于的符号,真子集.子集的符号2.{等腰三角形}∩{直角三角形}=?为什么?3.R Z N+ Q
• ASR与ABS有什么区别和联系
• 细胞液与细胞质他们有什么区别?
• 塑性加工与焊接、切削加工、金属铸造相比,各有何优缺点?
• 从a.b.c...h共8个字母中任意取出3个不同的字母,则3个字母中不含a但是含有b的概率