用圆规和直尺画五边形

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利用选择培养基如何筛选抗链霉菌 Although my grandpa is no longer with me,he is watching me.帮我翻译成汉语 yesterday i bought a book.the book is really hard to understand(合并为一句)yesterday i bought a book______ _______ really hard to understand 貂绒的毛衣真的是貂身上的绒吗?好像不是吧,那是什么材料呢?不是吧,貂皮大衣是貂身上的呢 双侧检验查f分布表置信度怎么用a 还是 a/2 学校食堂买了400千克粮食,其中面粉占八分之一,面粉有多少千克?已经吃了面粉的三分之二,吃了多少千克面 已知正方形的边长为10cm,求如图所示的阴影部分的面积.(单位:cm)图不标准,将就着看吧. 请问您所说的绿地率计算方法,比如面积小于400平米不算做绿地计算范围内等等.这些规定得出处是来自哪里? 英语翻译One must also check what agreements may exist between the theatre and the playwright or other creative artists,between the theatre and another producing organization,or between the theatre and a play-publishing house,such as Samuel French whan is me.black going to have a small party?翻译 英语翻译 1.中国轮胎在美国的惩罚性关税属于哪种贸易壁垒?2它对中国轮胎有什么影响?3.奥巴马为什么会同意实施惩罚性关税?4中国应该从中吸取什么教训? 请问一下非关税贸易壁垒新形势下的中国出口贸易的英文翻译 反倾销属于贸易壁垒吗? 四城同创的征文 7.8×0.5的意义是什么 5.7×8与5.7×0.8的意义分别是什么? 光纤上文字说明为:HEADWAY GYXTW 4B1YD/T769-20032010 1416m这类光纤能不能在规格为波长:1310nm单模的光纤转换器上使用.可以的话,为什么可以?请问有相关资料可以查看吗?一般来说,光纤不同的波长 关于购买headway吉他的一些问题.本人断断续续学了一年吉他,属于菜鸟,去琴行看了一把吉他,牌子是headway单板的,原价1500,由于琴头碰掉一块漆,所以老板说700块钱卖给我.我不会看琴,那老板说琴 交通中的headway是指什么看交通类的书时,里面会经常提到headway,查词典是说什么净空高度但是和语句联系到一起还是理解不了,请指教!The minimum headway,which determines the maximum frequency of TUs on the lin 解释一句英文(FROM NEW HEADWAY)If only politicians could find way to share it with those parts of the world where there is famine.出自 New Headway Intermediate Unit 1 WONDERS OF THE MODERN WORLD打字有误,改正:could find a way Sorry~ 海岭小学买了二分之一吨大米,两天吃掉了九分之一吨.照这样计算,这批粮食可吃多少天? 海岭小学买了二分之一吨大米,两天吃掉了九分之一吨.照这样计算,这批粮食一共可吃多少天? 机器人声音的you have a message短信提示声谁有 you have a message .. 阅读短文,补全单词!Sleep a lot or a little?Sleep a lot or a little?How long do people need to sleep every day?It depends a few things.It depends on a________.Babies need more sleep than adults.It depends on what you do during the day.If you do A little or A lot请快些回答.A:"Can you put some onions in the dish I like them very much."B:"I will put____.I like them,too."有人说用a little,有人说用a lot,请问到底应该用什么?为什么? 已知25℃时,AgI饱和溶液中C(Ag+)为1.22×10的负8次方mol/L,AgCl饱和溶液中C(Ag+)已知25℃时,AgI饱和溶液中C(Ag+)为1.22×10-8mol/L,AgCl饱和溶液中C(Ag+)为1.25×10-5mol/L,若在5mL含有KCl、KI各为0.01mol/L 已知常温下 AgCl 与 AgI 的溶度积分别是 1.0×10 -10(mol/L)2,1.5×10 -16(mol/L)2.若向 200 mL 饱和 Ag已知常温下 AgCl 与 AgI 的溶度积分别是 1.0×10 -10(mol/L)2,1.5×10 -16(mol/L)2若向 200 mL 饱和 AgCl 溶液中加入等 解释B选项……?AgI的溶度积常数比AgCl的小……什么意思? 1.Is ____time to have_____breakfast now?A.it ,/ B.that ,a C.this ,the D.it,the2.Kate is buying a sweater and I want to buy____,too.A.it B.a one C.ones D.one3.-Mum,I'm talking my English exam tomorrow.-_____!A.Come on B.Don't worry C.Be careful D.Good a little little 的区别