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甲完成了一项发明创造，欲向国务院专利行政部门申请发明专利，在下列哪些情况下，其发明具有新颖性而被授予专利权?( ) A．该发明在申请日以前六个月内，在中国政府主办的国际展览会上首次展出的 B．在申请日以前，在国外出版物上发表过 C．在申请日以前，在国外公开使用过 D．他人未经甲的同意泄漏了其发明的核心技术
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【简答题】The reflected light should sweep slowly along the suce of the earth because the mirrors ________. A) would be operated by solar-powered engines B) would orbit thousands of miles high to catch the s...
【简答题】之说贯穿全文。
【简答题】public class Adress { public static void main(String[] args) { InetAddress ip; try { ip=InetAddress.____________; String localname=ip._________; String locaip=ip._________ System.out.println("本机名:"+lo...
【多选题】下列关于培养基的使用描述正确的有( )。
A.
培养基必须本身无菌。
B.
培养基必须具备适宜比例的水、碳源、氮源、无机盐、生长因子及某些特需的微量元素。
C.
培养基必须具备适宜的酸碱度。
D.
培养基配好后必须立即进行灭菌，否则会因杂菌生长而破坏其成分和性质。
【单选题】What were the stepping stones along the road in the city used for?
A.
Leading people walking along the road.
B.
Making people not step in the mud in the streets on rainy days.
C.
Making the city more beautiful.
D.
Making the children avoid walking in the mud.
【单选题】The reflected light would sweep slowly along the surface of the earth because the mirrors
A.
would be operated by solar-powered engines
B.
could be made to adjust their angles
C.
could move around the earth at the same speed as the earth turns on its axis
D.
would orbit thousands of miles high to catch the sun's light
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