国家依法对涉及人类健康、动植物生命安全和健康、环境保护和公共安全的产品实行统一的强制性产品认证制度，《中华人民共和国实施强制性产品的产品目录》由国务院颁布。新的国家强制性认证标志为“中国强制认证”，英文缩写“CCC”。从2003年5月1日起正式实施。()
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It can be inferred from the last paragraph that
A. the dram to build interplanetary Internet can be fulfilled in the future
B. interplanetary Internet will become commercialized in 100 years.
C. the research of Internet took 50 years.
D. it will take a long time to build interplanetary Internet.
From the third paragraph, we may infer that
A. traditional cultural heritage is worthy of preservation.
B. the universal features shared by all cultures aren't worthy of notice.
C. musicians pay more attention to the preservation of traditional music.
D. the more developed a culture, the more valuable the music it has fostered.
The main idea of the first paragraph is
A. the importance of cultural tools and technology.
B. the cultural influence of the development of civilization.
C. the focus of the study of the material culture of music.
D. the significance of the research into the musical instruments.
The word "phonograph"(Para. 1) most probably means
A. record player.
B. radio.
C. musical technique.
D. music culture.
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