![](https://lstatic.shangxueba.com/jiandati/pc/images/pc_jdt_tittleico.png)
Scientists have invented a robot which can cook for people. Nowadays, science and tech
A、persuades
B、persists
C、produces
D、pervades
![](https://lstatic.shangxueba.com/jiandati/pc/images/jdt_panel_vip.png)
A、persuades
B、persists
C、produces
D、pervades
Even talented scientists have no way to precisely forecast the future. (英译汉)
Scientists have known the reason that people grow old.
A.Right
B.Wrong
C.Not mentioned
By the year 2010, scientists probably ______ an effective treatment for cancer.
A.will have discovered
B.are discovering
C.will be discovering
D.have discovered
The scientists have absolute freedom as to what research they think is the best to______
A.engage
B.devote
C.seek
D.pursue
A.Not until…have
B.Until…did
C.Not until…do
D.Until…have
Scientists will have to ______ (提出增加世界粮食供应的新方法).
为了保护您的账号安全,请在“简答题”公众号进行验证,点击“官网服务”-“账号验证”后输入验证码“”完成验证,验证成功后方可继续查看答案!