()在注册后,当有效期满时允许续期。
A.专利权
B.非专利技术
C.商标权
D.商誉
参考答案:C
As it was his first time to visit the science museum, the boy seemed ___about everything there. [ ]
A. anxious
B. curious
C. particular
D. frightened
谋求世界各国经济共同发展的根本途径是:
A. 加速各国经济结构的调整
B.推动南北对话
C. 加强南南合作
D. 建立公正、合理、平等、互利的国际经济新秩序