第一个细胞是在什么时候出现的

I advise that she __ another day.A.willB.comesC.cameD.should come She ____that it ____for two days by that day.A.says ...has rained B.said...had rained请问选哪一个?为什么?我知道第二个空用过去完成时态 但第一个空我不明白 现在说和过去说不都可以么？ She insisted that we ____there for another day or two .A would say B could stay C stay D stayed 《推敲》的译文 be useful for=什么? be more useful是什么意思 as much as three hours还是as many as three hours? he hopes that he will be a famous writer 同义句 three pipes a,b and c can fill a tank in 6 hours .after working at it together for 2 hours .c is cl谁能帮我翻译一下这句什么意识 PerfLog,what is it meaning? What is it inner meaning 英语：When you stay for a long time in an air-conditionged house,you will ()1.has fainted 2.fainted 3.have fainted 4.be fainted为什么不是4 have fainted我觉得很奇怪啊 your name ,what is it meaning?请用英文说明原因 越多越好 原因 ` 推敲《诗话总龟》1、解释词语 1）一日于驴上（得）句云…… （2）（炼）之未定 （2）观者（讶）之 （4）岛（具）对所得诗句云.2 、这篇短文作者意在赞扬贾岛什么精神? Can you stay in deep water without tanks of air? when you leave it in the air for some time翻译 I hope that I can be a writer in the future.I hope ____ ____ a write in the future.Mr.Morgan knows the way to the museum.Mr.Morgan knows____ ____ get to the museum. hope that the future will not be destroyed in our 的翻译是什么翻译‘‘中文翻译过来是什么意思 I hope that I can be a writer in the future.改为同义句I hope ______ ______ a writer in the future. 在matlab中求三元微分方程组的问题有如下语句:dsolve('Dx=-y-z','Dy=x+0.1*y','Dz=2+z*(x-4)')无法解出,为啥? matlab画微分方程时,麻烦看看 what is meaning是什么意思 WHAT IS MEANING what is meaning "trainee"? MY friends in Australia said that Chinese histroy was very hard to understand这里面的to understand 是目的状语还是结果状语 what is meaning什么意思 chinese history is very hard to understand同义句是什么? Astralian friends thought Chinese history was very hard to understanding改同义句it was ()()()Astralian friends()()Chinese history 格兰特船长的儿女 读后感 100字 急!100字！！！ 少一点 our teacher said China ___(is/was)a great country with a long history.是不是is跌 It was a red letter day in the history of our school.What's the Chinese for“a red letter day”? 根据首字母提示完成单词 Our China is f( ) for the long history.