纳米的长度单位是（）。A．1纳米等于千万分之一米 B．1纳米等于亿万分之一米 C．

Quick Reference Index

Items	Pages	Items	Pages
ACTORS AND ACTRESSES	364-382	MAPS(COLOR)	511-522
MUSEUMS	448-475	MEDICAL DEVELOPMENTS	492
ANIMALS	490-494	HOLIDAYS	841-873
FAMOUS ART	480-482	PLANTS, RIVERS	108-109 114-115
HIGHWAYS	121-131	NATIONAL PARKS	747-749
BOOKS, BEST SELLERS	476	COUNTRIES	523-624
DISCOVERIES AND INVENTIONS	320-346	PASSPORTS	142-144
ENVIRONMENT	84-120	POPULATION	625-640
EDUCATION	252-318	POST INFORMATION	1033-1039
FLAGS OF THE WORLD(COLORS)	505-510	SPORTS	884-978

根据表格信息，选择最佳答案。
小题1:Where can you find the information about things that are best sold?
A. MAPS(COLOR) on Pages511-522.
B. BOOKS, BEST SELLERS on Page 476.
C. NATIONAL PARKS on Pages 747-749.
小题2:If you are interested in Chinese actor Bruce Lee, you may search the item       .
A. ENVIRONMENT
B. ACTORS AND ACTRESSES
C. POST INFORMATION
小题3:If you want to know more about Thomas Edison, where should you begin your research?
A. DISCOVERIES AND INVENTIONS
B. FAMOUS ART
C. EDUCATION
小题4: One who likes sports can find information on how to surf on Pages ______.
A. 448-475             B. 517-528         C. 884-978
小题5:You can find “preventing pollution” on Pages ______.
A. 84-120              B. 625-640         C. 142-144