Evidence has been put forward showing that astronauts exposed to long periods of weightlessness _ quite severely.A.have affected B.had affected C.have been affected D.had been affected答案是选c,为什那么不用用had而用have

evidence has been proved that the innocence should be set free.prove能用被动语态么?我记得不能用 The witness has offered convincing evidence. 英语翻译evidence has been piled up that specific speech sounds are recongnized by babies as young as five months old有没有准确的 还要翻译一下 find 与 find out用哪一个好?Once all the evidence has been ___,we can draw a conclusion that it is he who is the murderer. Evidence has been found through years of study____ children's early sleeping problem likely tocontinue when they grow up？A.why B.how C.whether D.that evidence has been 请帮忙翻译下面这句话,重点是剖析句子结构.evidence has been increasing that children's exposure to violence on television has longlasting effects on their behavior.（原文翻译：越来越多的证据表明,孩子们接触到电 evidence evidence 英语翻译“People often say that conformism is deeply rooted in East Asian culture- so deeply that conformist has been the norm in China for ‘thousands of years’.” Does the evidence from ancient and early China support that view? All the evidence( )that he stole the money and he has been sentenced to five years' imprisonmentA.expresses B.describes C>explains D.suggests该题正确答案应是D,为什么不能选A（表示） 麻烦帮我翻译一下这个句子,GRE填空题,急,谢谢Scientists` pristine reputation as devotees of the disinterested pursuit of truth has been compromised by recent evidence that some scientists have deliberately fabricated expermental resul 英语翻译Many scholars have sought to understand how faculty find the meaning in their work life by investigating the organizational culture of institutions of higher education.There has been intensifying evidence that the culture of individual in 【急】谁能帮我缩短这句句子!at this point in time it is our own best interests to stop the investigation owing to the fact that no new evidence has been found.缩短这句句子, 英语翻译inrecent years,there has been a rapid accumulation of evidence that manydisorders are related to biochemical abnormalities,especially unusually highor low levels of neurotransmitters – chemical substances (or messengers)involved in the 英语翻译Americans pay a price,however,for their material wealth:hard work.Hard work has been both necessary and rewarding for most Americans throughout their history.In some ways,material possessions are seen as evidence of people’s abilities.B 这句话有to this day 却为什么没有用完成时?To this day there is no evidence that the disease is spread by mosquitoes.为什么不用there has been?求解释 英语翻译cold imitation of violence by children is extremely rare,and the very occasional evidence of direct,imitation associations between television violence and aggressive behaverior has been limited to extremely novel and violent acts by tee