核医学作业

D( ) litter is not allowed not news is good news I think I think too much. must be和must have been有什么区别he must have been sleeping.为什么这里要用must have been而不用must be “you think too much” 是中文式的英语还是英语中确有这种表达?如果没有,那么“你想太多了”用标准传统的英语语法应该如何翻译? must be和must have been 在句子中作什么成份及其时态?must be算是must+系动词么?如果后面加doing就算是现在进行时?must have been 本身可以算是现在完成时么?如果后面加doing就算是现在完成进行时么?是 I think--I think too much. Today ,the forests have almost gone .People must _______ down too many trees .A.stop to cut B.stop from cuttingC.be stopped to cut D.be stopped from cutting Today the forests have almost gone;people must___down many trees.为什么选被动时态……什么意思A.stop cutting B.be stopped from cutting Today,the forests have amost gone,peoplemust ___down many trees.A.stop to cut B.stop from cuting C.be stopped from cuting D.be stopped to cut Most of the forests have gone,people must ______ down trees .A.stop to cut B.stop from cutting C.be stopped from cutting D.be stopped to cut 修改病句：几年前,国内房地产市场严重滞销.如题,急. 病句修改练习 在国内房地产市场严重滞销的情况下 假如中国房产市场崩溃了,对中国或者世界有什么影响? 求一高手帮我把一个字翻译成英文：（狂） he can't haue been a dcntist.he must have been a doctor.翻译下 l can't spell some english words是什么意思 I read very slowly.Ican't spell some English words,___?A.also B.either C.but “你为什么不吃些药”的英文是什么?some要变any吗? He leam English by watching Englishlangvage videos? 改为否定句 Watching English -language videos can improve my______skills.A speak B spoken c speaking 为什么用spoken而不用speakingIt improves my speaking skill 这里为什么又用SPEAKING答案上写的是B 想自学口语类商务方面英语,有什么书籍介绍?新概念这本书如何? love and money意思金钱与爱情吗?还是鱼和熊掌? 自学将英语应该要做的有哪些步骤,口语,翻译,阅读方面提高 I read very slowly.I can't srell some English words,( )A.also B.either C.butD.too(在线等候什原理选什么 He reads it very slowly.对slowly提问:he read it? 投影仪与幻灯机区别(物理上) Some will read,can not spell,怎么读 一字螺丝刀上面的数字代表什么意思?例如：0.5×3.0×50,各个数字代表什么? 螺丝刀 D2.0 150mm 一字；D2. You just need comfort and company is not love {I really do not, I love only you an me and he was just a friend, nothing is}什么意思!