Mr. Jack __ volleyball in the afternoon, but now his leg wounded, __ in the evening.
A．used to play; is used to taking a walk
B．used to playing; is used to take a walk
C．was used to playing; used to taking a walk
D．was used to play; used to take a walk

唐朝时称印度半岛各国为______。
A．新罗
B．百济
C．高句丽
D．天竺

“一把钥匙开一把锁”的说法在教育学体现了人的发展的：
A．阶段性
B．不平衡性
C．顺序性
D．个别差异性

The underwater listening system was originally designed ______.
A．to trace and locate enemy vessels
B．to monitor deep-sea volcanic eruptions
C．to study the movement of ocean currents
D．to replace the global radio communications network

The students' criteria for selecting majors today have much to do with ______.
A．the influences of their instructors
B．the financial goals they seek in life
C．their own interpretations of the courses
D．their understanding of the contributions of others

下列国家中，其法律制度属于大陆法系的是：
A．加拿大
B．印度
C．法国
D．澳大利亚