Scientists found many stones --- with number on the mountains.A.marking B.marked C.being markedD.have been marked选B ,why?

Scientists think that women kept the first man--raised animals. What’re on display in the museum?-Some dinosaur eggs ( ) by scientists 为何用found不用were found Up to now scientists have not found how to cure patients of that disease.译成中文 scientists have found new threats that can cause deforestation of kelp communities once again.4558 1.Scientists say they have found a way to produce the human body's own cancer-killing cells through gene treatment,___ new hope to cancer sufferers.A offering B showing C taking D making 选什么?为什么?2.Jane told the police man that her gold ne mary computer scientists are now thinking of m( ) the computer (think) like a man. 改错Jim found the man lying on the ground,deadly 英语翻译----- ------ ------ ------- the mountains,he found a man ------- ------ on the ground,------ 单句改错 the man looked about and found none around. The man found it hard to fall _____ (sleep). The old man found the missing boy ——偶然 scientists have found that even in the sahara,there is rainfall 帮我翻译一下,我翻译出来了但是 科学家们发现这个帝王墓破旧不堪了.英语翻译 ：Scientists found this tomb of king was ＿ ＿ . The scientists have found it hard to clone a new healthy being.这一句的语法点或知识点是什么 Scientists found many stones --- with number on the mountains.A.marking B.marked C.being markedD.ha --what have the scientists found?--They've found how fat___and stored.A produced B is produced C is producing D has produced 选择哪项?为什么?怎么译? We found the man kind,改为同义句 怎么弄 补充进去We found he _ _ _ man. the young man was found alive after being missing for several days 怎么was 跟found