His ______ are $800 a week. [ ]
A. wages
B. money
C. salaries
D. pays
答案：A
The old houses are being pulled down to ____ a new office block.
A．supply with
B．make use of
C．make room for
D．take the place of
STRIPS基于以下( )金融工程技术。
A．分解技术 B．组合技术C．整合技术 D．无套利均衡分析技术
