A．物体不受力作用就一定静止
B．物体不受力作用就一定是匀速直线运动
C．物体受力才能运动
D．以上说法都是错误的
答案：D
The Acropolis ________ in the 5th century B. C. at a high altitude above the city in honour of
Athena, the goddess of Athens.[ ]
A. constructed
B. was constructed
C. has been constructed
D. is being constructed
Beneath our feet _____ that our life depends on for food and clothing.
A．the earth lay
B．the earth lies
C．lies the earth
D．does the earth lie
