作业展观后感

1.The children______not to play with fire.A.are often told B.telling C.are telling D.told 2.The APEC meeting_____ in Shanghai last autumn.I hear it_____ in different countries every year.A.is held,is held B.was held,is held C.was held,has held D.is h Jack felt unhappy as they all went outing ______ himA except B but C without D besides(说明理由) 1.His father __ the army when he was eighteen years old..A,took part in B,joined C,joined in D,attended2,Will you ___ the sports meeting tomorrow A,take part in B,join C,join in D,attend3.You must __ my money to me .I am in great need now.A.pay B.ret 1.-What do you think of Mount Tai?-It's very beautful.And the scenery(景色）makes ____excited.A.all us B.us all C.all of the us D.all we 2.Idon't know how long ____here.Let's go and ask him.A.will Jim live B.Jim will live C.Jim lived D.does Jim li 英语的 英语十道选择题.急 英语.英语 答好的给100分[1] i think the skirt suits you well but it's tooexpensive .let me [ ]it a think up b think about[2]the younge college students does a part time job in the evening [ ]he can pay for his schooling.a in this way b by the way [3]soldie 求50道英语选择题 1.– Help yourself to the steak,Maggie.– ( ).A.Sorry,I've had enoughB.Thank you,HelenC.Yes.But it isn't cooked wellD.Help yourself to it,too2.– What do you find difficult in learning English?– ( ).A.Listening and speakingB.Don't be afraid of d 希望能快 也希望全对啊 咋做, 1简单的英语选择题 在线等第2题 为什么选这个我大致了解 但是long before 不是过去时的标志吗? We all felt nervous when our teacher（ ）the test papers to usA,asked for B,put on C,gave out D,put off The boss is very of his employees.Nobody likes to work for him .A.demanding B.generous C.selfish generally speaking,_____according to the directions,the drug has no side effect.a.when taking.b.when taken.c.when to take d.when to be taken 一道伤脑筋的英语选择题!好的有追分!I don't _____ they will have the meeting.A.that B.where C.whether D.if我认为BCD都行.好苦恼!最好详细一点.而且顺便说下遇到这种题,应该又怎么样的思路!膜拜! 一道伤脑筋的英语选择题I have about 1500 stamps from all over the world .Ben gives American____ and I get British _____ from Sally.A.stamp.stamp B.one.one C.ones...ones D.stamps.ones 为什么选C?望知道的大虾们讲解讲解, ________in thought ,he almost ran in to the car in front of him.答案Lost为什么不+ing?省略了什么?为什么这样省?.一点都不懂意见怎么不统一。 Lee is generally considered ____the first computer.A.th invent B.inventing C.to have invented D.haveing inventedC 原因.那+doing呢...表示什么?为什么不选A啊？ 一道高中英语选择题,求解.鄙人刚考上高中,练习书里很多不懂.All the photographs in this book,unless stated otherwise,date from the 1950s.为什么剧中是unless stated otherwise?这算是什么成分?date和后面的是时间 Keep away from such things ___ will do you harm.A asB thatC to whichD which 1.How long ------- you -------- here?-Till next Friday.A.are;staying B.do;stay C.here;stayed D.had;stayed2.You will not go to the party,will you?-No,--------- I've been invited.A.if B.though C.unless D.because(我选的是C，但答案是B） 要除去氧气中混有少量氯气,最好选用下列试剂中的A.H2O B.浓H2SO4 C.AGNO3溶液 D.NAOH溶液单选,请讲出对的原因,和另外三个错在哪里没原因的就不用写出来了,应该选D........... 1.以下说法错误的是A钠在常温下就容易被氧化B钠受热后能够着火燃烧C钠在空气中缓慢烟花能自燃D钠在氧气中燃烧更为激烈为什么? 将amL的CO2通过足量的Na2O2后,再通入bmL的NO,发现剩余气体的体积为(a+b)/2,则CO2和NO的体积比不可能是( )A.1:1 B.2:1 C.3:1 D.1:2答案是选D,笔记记的是a/b>=1,所以D不可能 麻烦讲解一下为什么, VmlAl2（SO4)3溶液中含Al a g,取出1/4Vml溶液加水稀释到4VL,则稀释后溶液中硫酸根的物质的量浓度是A (125/9v)mol/LB (125/18v)mol/LC (125/36v)mol/LD (125/54v)mol/L不好意思...125后面都有个a..我漏打了 请问,放在敞口容器中的氯化钠溶液为什么久置后溶液中该溶质的浓度会变大? 将50ml氯化钡溶液和49g10%的硫酸溶液（密度为1.07g/cm3）混合,恰好完全反应.假定溶液体积不变,反应后所得溶液的物质的量浓度.体积为什么可以相加？两种不同的液体体积不是不可以相加吗？ 下列化学反应属于吸热反应的是A,碘的升华.B,生石灰溶于水.C,镁与稀盐酸反应.D,氢氧化钙与氯化铵晶体混合 1.10ml氢氧化钠溶液与50ml 1mol/L氢氧化钾溶液所含溶质的物质的量相等,则氢氧化钠溶液的物质量浓度是A.0.5mol/L B.1mol/L c.5mol/L D.50mol/L 2.自来水可以用氯气消毒,如果实验室中临时没有蒸馏水,可以 几道高中化学选择题是第6到8题