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As Liaison between China and the World,A New Prospect Opened Notes about the Department of Internati
We concentrate ourselves and strive to make innovations in the important areas, and we make every effort to build up a ......
一般说来,某些英语词组(包括个别词语),由于the的有无,往往会使其含义与作用及译法大不相同,或在个别处产生微妙的区别。如:
In ......
A: Good afternoon, sir. Welcome to ourbarber shop.B: Good afternoon. I’d like to get a hair-cut.A: Yes,please sit in t......
介词分为很多种,在小学阶段最常见的就是介词表方位,我们可以用图示的方法说明方位介词的基本用法:(1)on表示在某物的上面,指与某......
很久以前,统治英格兰的国王名叫克努特。像许多领导者和掌权人一样,克努特总是被称赞他的人包围着。每当他走进房间,奉承就开始了......
An old man was hungry. He walked slowly into a restaurant with his stick1. His old jacket and worn-out shoes made him st......
Look！ This is my bedroom. It is very beautiful. There are many dolls on my bed. I love these dolls. My bedroom is also my......
It is Monday morning. It is sunny today. It is nine o’clock now. Look， they are very busy. Do you know？ What are they doi......
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Cross double Mannich reaction and tandem cyclization were achieved under iodine catalyzed conditions,yielding a series o......
Two Zinc(Ⅱ) Carboxyarylphosphonates with Unusual Polynuclear Zn(Ⅱ) Units:Syntheses and Crystal Struc
[Zn2(PCP)(phen)(H2O)F]n 1 and {[Zn3(MCP)2(phen)2(H2O)]·2.5H2O}n 2(PCP = p-O2C(C6H4)PO33-,MCP = m-O2C(C6H4)PO33- and phe......
The title compound 2-oxo-3-phenyl-1-oxaspiro[4.5]dec-3-en-4-yl 4-chloro-benzoate 6 (C22H19ClO4, Mr = 382.82) has been sy......
Hydrogen-bonding directed cocrystallization of flexible piperazine with hydroxybenzoic acid derivati
Four hydroxybenzoic acid building blocks,m-hydroxybenzoic acid,2,4-dihydroxybenzoic acid,2,5-dihydroxyterephthalic acid,......
Synthesis and Crystal Structure of a New Iron Complex with Cyclic Water Hexamers [Fe(CDTA)(H_2O)]·[F
The title complex [Fe(CDTA)(H2O)]·[Fe(1,10-phen)3]·10H2O·2OH (CDTA = transcyclohexane-1,2-diamine-N,N,N,N′-tetraacet......
The title compound 3-(4-bromobenzyloxy)-6-morpholinopyridazine(C15H16BrN3O2) was synthesized,and its crystal structure w......
Two monocarbonyl analogs of curcumin containing bis(2,6-difluorobenzyl) were synthesized,and their molecular structures ......
A new metal-organic coordination polymer,[Ag(L)(NO3)]n(1,L=β-amino-β-(pyrid-2-yl)acrylonitrile),has been synthesized b......
The normally underused 1H–15N HMBC spectra of thirteen C18-diterpenoid alkaloids have been determined for the first tim......
Syntheses of bimetallic lanthanide bis(amido) complexes stabilized by bridged bis(guanidinate) ligan
A series of bimetallic lanthanide bis(amido) complexes stabilized by bridged bis(guanidinate) ligands {[(Me3Si)2N]2Ln[(R......
Silicene is a two-dimensional(2D) material, which is composed of a single layer of silicon atoms with sp2–sp3mixed hybr......
Synthesis and Crystal Structure of (2-Iodo-5-nitrophenyl)-[1-(1-methylazepan-3-yl)-1H-indol-3-yl]met
The title compound (2-iodo-5-nitrophenyl)-[1-(1-methylazepan-3-yl)-1H-indol-3-yl]methanone (C22H22IN3O3 , Mr = 503.07 ) ......
Synthesis, Crystal Structure and Antidepressant Activity of 5-[4-(Benzyloxy)phenyl]-9-(n-propyl)-4,6
The title compound 2(C22H28N+O3)·H2O·2Cl-was synthesized by the reaction of 2-bromo-1-[4-(benzyloxy)phenyl]-1-pentone ......
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I have a nice house. We all like the house very much. There are seven rooms in my house, two bedrooms, a dining-room , a......
The boss called one of his employees into the office.“John,”he said,“you’ve been with the company for a year.You sta......
My Bedroom I have a small but comfortable and tidy bedroom.There are a single bed,a desk,a chair and a beoksheff in my b......
Wearing brick-red scrubs1 and chatting in Spanish, Miguel Alquicira settled a tiny girl into an adult-size dental chair2......
课堂观摩:1.T:What’s that?S:It’s a door.T:Look at the door.It’s dirty(脏的)(.边做动作边说)Let’s clean the door,OK?Ss:......
一、解析本单元重点学习房间物品名词、方位介词和Therebe句型的用法,难点在于能使学生正确使用Therebe句式的单、复数形式及其结......
Pack Rat liked to look for treasures.One day he found* a black rock(石头).“That would make a fine chair,”Pack Rat said......
教学目标是构成一堂好课的第一要素,是课堂教学活动的出发点和归宿。在设计教学目标时,应该充分考虑到学生的因素。在小学英语课堂......
get是英语中最常用的动词之一,素有“万能动词”之称。你想了解一下get的用法吗?让我们一起来揭开它的神秘面纱吧——get最基本的......
These are a set of tests to see whether you are fit or not. Be careful when you do them: don’t force yourself to do an......
一、解析这一单元的学习重点是使学生能够简单描述自己的教室,能听懂并发出打扫教室的指令语,并能在实际情境中准确运用。本单元的......
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摘 要：英语写作时，学生在遣词造句方面会下不少功夫，但在使用标点符号这个问题上却往往会掉以轻心，这不仅有碍于准确表达自己的思想，......
学生要学好英语最大的障碍是单词的记忆，学生的单词量会影响着学生学习的兴趣，这样会影响学生的成绩。现在我们就如何有效的记忆英语......
小学生好奇心强,对新生事物的求知欲也很旺盛。但是,课堂上学生们经常出现消极参与课堂活动的现象。上课时表现胆怯,积极性不高。......
在小学英语教材中涉及到a book(desk chair…),an apple(orange egg…)时,为了让学生能分清a和an,我给同学们讲了一个《An的由来》......
课堂观摩:1.请生欣赏5A第二单元E部分的动画。2.T:Watch the cartoon again and answer my question:What is the cartoon talking......
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STRUCTURE OF 19-NOR-9β-METHYL-10α-2β,3α,16α,20,25-PENTAHYDROXY-Δ~5-LANOSTADIENE-11,22-DIONE-25-ACETA
Mr=562.8, monoclinic, P21, a=13.099(7), b=7.954(4), c=15.446(8)A, Z=2, V=1453(1)A3, Dx=1.29 Mgm-3, λ(MoKα)=0.71069A, ......
CONFERENCE ON STRATIGRAPHIC CLASSIFICATION AND NOMENCLATURE OF UPPER PRECAMBRIAN IN CHINA OPENS IN B
The conference on stratigraphic classification and nomenclature of Upper Precambrianheld in Beijing on July 22-24, 1982......
