it has proved or it has been provedWhich one is correct?(1) or (2)1)Preventative medicine has proved to be the most effective way of reducing the incidence of fatal childhood diseases.2)Preventative medicine has been proved to be the most effective w

As it happened,my advice _____to be wrong.A.proved B.was proved C.has proved D.provesAs it happened,my advice _____to be wrong.A.proved B.was proved C.has proved D.proves it has proved or it has been provedWhich one is correct?(1) or (2)1)Preventative medicine has proved to be the most effective way of reducing the incidence of fatal childhood diseases.2)Preventative medicine has been proved to be the most effective w It can be proved. It has been proved that his theory is practical 怎么变为 His theory has been proved ( )如题 it(has proved)that chinese has made great progress.为什么said不行 It has been proved ____taking exercise regularly does good to one’s health many a successful story has proved it.为什么many和a可以并存? 如下.问题补充中.应该选什么?为什么?It —— that China has achieved her dream of flying to space.A.said B.proved C.has proved 英语翻译It has been proved that by carefully controlling the rate of cooling of the temperature,SA can find theglobal optimum.However,this requires infinite time.Fast annealing and very fast simulated re-annealing (VFSR) or adaptive simulated ann It has been proved that qats will.It has been proved that rats will,when given a choice over a period of time,prefer water with vitamins to water帮忙翻译成中文! Freelancing has proved to be more stressful than it's worth,and not as rewarding a I hoped. It has been proved that...请帮我对这个主语从句举个例句并释意谢谢 It proves that ...,还是it is proved that...? 【哪个对】为什么 It proves right.It is proved right. 猜谜：It has a mouth and an ear.But it has no head or legs.It has no head but wears a hat.It has 请问有it is proved that 我记得有it was proved that 不知道有没有it is proved that It turned out that the theory my father stuck ( to proved )wrong?搞不懂.TO PROVED —How do you think of his teaching method?—It should be popular；it________practical.A．proves B．is provedC．has been proved D．was proved