1至9的数子横竖斜加起来都等于45

请问be good at 和do well in的用法有什么不同? 英语翻译请高手帮忙看看下面一段shell脚本是什么意思.9 dm=10 for d in /usr/man /usr/share/man /usr/X11R6/man /usr/local/man11 do12 if [ -d $d ]; then13 if [ x$dm = x ]; then dm=$d; else dm=$dm:$d; fi14 fi15 done16 DEFMANPATH=$dm17 《花儿为什么这样红》这首歌的词作者是谁? 花儿为什么这样红 六（下）文言诗文点击阅读答案 鲸,海豚是生活在水中的什么动物? 在shell脚本中有个语句是if [ -d $1"/"$file ],其中 $1"/"$file是什么意思语句来自如下脚本：用Shell脚本来遍历文件夹里的所有文件/bin/bash function ergodic(){ for file in ` ls $1 ` do if [ -d $1"/"$file ] then ergodic 根据首字母填空:My brother and I often go to school t____after b___ Do you ( Yes.I go running ( )my brother every morning and I often play basketball after school.填词 I often play the guitar after school,but my brother often piays pingpong .guitar前加the对吗 太原有海洋馆么?有么?在哪? l often play the piano after school.(l改为my brother) 北京有哪些水族馆/海洋馆?价钱都怎么样呢? 英语翻译Its undeniable that we should be togetherits unbeleivable how i used to say that i'll fall neverthe basic you need to know if you don't know just how i feelthen let me show you now that i'm for realif all things in time,time will revealon ________for Shanghai?Yes.And I'll come back in three months.可以用Did you leave called 与be called 介绍一条道路,但他被称做某某桥.中文意思是：它实际是一条路,但被称做桥Actually,it is a road,but be called "bridge" 或者Actually,it is a road but called bridge.以上两句对吗?我知道可以写成 Actually,it is a ro be called等于什么? back at one的中文歌词 世界上有哪些古老而神秘的文字,你能说出三种吗? Kate has been making a film for three months.针对 for three months划线提问. 5、The stayed there for (three months).对画线部分提问_____ _____ _____ they ______ there? in three months提问用什么 he often reads t_ after school 填什么 张宇语文、外语、科学的平均成绩是89分,数学成绩公布后,她的平均成绩提高了2分 He often walks____after school.A.homeB.to homeC.at home 请问四川有那些二本大学不限制英语成绩?答案需要非常准确, "don't _____to strangers on your way to and from school",my mother often _____to me.A.speak saysB.speak tellsC.talk speaksD.talk tells答案是A要为什么是A? 《过松源晨炊漆公店》中“正入万山圈子里,一山放过一山栏”这句诗蕴涵着怎样的哲理? 正入万山圈子里,一山放过一山拦的意思 过松原晨炊漆公店中试分析“正入万山圈子里,一山放过一山拦”中的“拦”字的妙处. 正人万山圈子里,一山放出一山拦是什么意思 正入万山圈子里,一山放过一山拦.的“放过”和“拦”用的精彩,为什么?请简要分析.