A、 Person-to-person auction sites are less popular than business-to-business sites.
B、 Business-to-person auction sites are less popular than person-to-person sites.
C、 For person-to-person auction sites， the websites is the owner of goods.
D、 For business-to-person auction sites， the website is the owner of the goods.
答案：D
A、 Person-to-person auction sites are less popular than business-to-business sites.
B、 Business-to-person auction sites are less popular than person-to-person sites.
C、 For person-to-person auction sites， the websites is the owner of goods.
D、 For business-to-person auction sites， the website is the owner of the goods.
答案：D
A. substitution
B. counterpart
C. replacement
D. alternative
A. what
B. how
C. why
D. whether
A. hard; careful
B. hardly; careful
C. hard; carefully
D. hardly; carefully
A. pursue
B. conclude
C. appreciate
D. encounter
A. up
B. down
C. on
D. to
A. fond
B. like
C. enjoy
D. love
A. They don＇t want to make friends.
B. They are anxious.
C. They have some damages in their brains.
D. They think themselves different from other people.
A. possess enough funds
B. survey the markets
C. set goals
D. train staff on a regular basis
A. complains
B. compares
C. agrees
D. makes
A. She welcomes it totally.
B. She is skeptical of what is claimed in the study.
C. She persuades other parents to accept the findings in the study.
D. She is optimistic about it.
