prove是没有被动的，所以不能用 it has been proven 应该是 it has proven.
谁说prove不能用被动？ 但我建议你强调动词用法用前者， 而proven多用作形容词
结果1 题目 1.许多研究人员已经证明,每天睡七个小时的人生活更快乐、更健康。 (prove)It has been E proved/proven by many researchers that people who sleep 7 hours per day enjoy a happier and healthier life. 相关知识点: 试题来源: 解析 答案见上 反馈 收藏 ...
between employers and employees is the only means to seek common grounds, where [...] legco.gov.hk 實踐證明,只有勞資 充分合作才能求同 存異,互諒互讓,和諧共處,妥善處理和解決彼此的爭端,創造雙贏局面, 造福社會大眾。 legco.gov.hk This practice has proven to be greatly beneficial, as we wit...
a近二十年的实践已充分证明,我们进行改革开放的方向是正确的,信念是坚定的,步骤是稳妥的,方式是渐进的,取得的成就是巨大的 The near 20 year practices had proven fully that, we carry on the reform and open policy the direction are correct, the faith is firm, the step is safe, the way is the ...
选2 被动语态，表示“被证明、被证实”不过，用过去分词proven的表达会更多一些：has been proven，表示“被证明、被证实”的状态:Preventative medicine has been proven to be the most effective way of reducing the incidence of fatal childhood diseases....
It has been proven that 指某件事被证明是客观真实的。例句：It's been proven that the answer is wrong.事实证明，答案是错误的。此处的It 是形式主语，指代that后面的东西。Her action proves that 指她的行为证明了某件事的真假。此时prove作主动，应该不难理解。
Kennan’s warning has proven correct. Some influential commentators, such as former U.S. Ambassador to Russia Michael McFaul vigorously reject the view that NATO expansion had anything to do with Putin’s Ukraine move. But alliances are known to provoke as much as deter conflict. In fact, ...
China has achieved long-term social stability and rapid economic growth over the last seven decades, which proves 33 that the democratic system chosen by the CPC and the Chinese people is correct, suitable and effective. It is much like the perfect pair of shoes for a fast and steady ...
Statistically he has proven to be an asset for the Jayhawks, but the person Neal is off the field will leave an impact well beyond his years as a player. Leipold applauded Neal for his maturity, character and composure prior to kickoff in Phoenix. All attributes that have aided in...