paper compang

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• ●●●●●一道英语选择题17●●●●●18The teacher told us to hand in the _____ on time.A.exercise paper B.exercises papersC.exercise papers D.pieces of exercise paper这道题应该选什么?为什么?谁能帮我解释一下!
• he has our names on a piece df paper and calls our names before he begins his为什么用calls ———
• I have no paper to_________.填read,look还是see? why?
• 英语7.Though I have paper ______,I have no ink_______.7.Though I have paper ______,I have no ink_______.A.to write on ,for writing inB.for writing down,to write inC.to write on,to write inD.for writing down for writing with为什么?
• 英语翻译The use of mechanical dictionaries to overcome the barriers of language was first suggested in the 17th century.However,it was not until the 20th century that the first concrete proposals were made,in patents issued independently in 1933 by George Artsrouni,a French-Armenian,and by a Russian,Petr Smirnov- Troyanskii.Artsrouni designed a storage device on paper tape which could be used to find the equivalent of any word in another language; a proto
• he has our names on a piece df paper and ___ our names before he begins his lessonA.ask B.call C.asksD.calls
• I have no paper to_________.问：应该填write on还是write with?Why?
• 1.i like goldfish because they are beautiful and they （make no noise.）请问括号内的能这样表达吗don't make noise.2..it sounds fun to (用纸做衣服听起来很有趣).根据所给的汉语意思补全句子.请问为什么不能这样表达：use paper to make clothes.答案是make colthes out of paper.3.Ants smell very well ,let's watch them when we are free.请问 smell 是系动词,为什么well不能换成good 呢4.he 'd never bark or bite.请问'd是would 为什么不用will呢此处.
• 用所给词的适当形式填空　　1.Tom ______ (be) ill last week,he ______ (be) much better now.　　2.Jimmy and his sister _______ (be) here several days ago.They ________ (leave) for Beijing yesterday.　　3.He ___________ (have ) a bath when the telephone ________(ring).　　4.While I __________ (cook ) the dinner,he ___________(read) the paper.　　5.He arrived just as I _____________ (answer) the phone.　　6.After I heard the news,I ___________ (hurry) to see him.　　7.We _________
• 英语：I didn't hand in the ...短语：到……来_____________单项选择Dad is still working while I ________.A.clean the room      B.am having lunch     C.sweep the floor        D.make the bed—I didn't hand in the paper in time.—________.A.So was I          B.So did I            C.Neither was I             D.Neither did I—Which do you like of all these?—_______.I think we need more time to find a nice one.A.Neither             B.None            C.Both               D.All
• 我看到有的结构式中,有些化学键是细长的黑三角和虚线表示的
• 如图所示,点A坐标(0,3),OA半径为1,点B在x轴上 若圆B过点M（-2,0）,且与圆A相切,求B坐标 过程谢谢急