单项选择题

When an organism is completely encapsulated and preserved, it becomes a fossil,therefor e turning into evidence of things that once lived（）.

A．thereby
B．as a result of
C．so
D．in the end

<上一题 目录 下一题>
热门 试题

单项选择题
The library she worked in lent books, magazines, audio-cassettes and maps to its customers , who could keep them for four weeks（）.

A．borrowers
B．lenders
C．patrons
D．clients
单项选择题
At the World Literacy Center, an organization that works to help people mad, the helpers work hard, enabling them to successfully reach their goals（）.

A．assistants
B．volunteers
C．part-timers
D．amateurs
相关试题