土地利用计划往往不鼓励开发和利用新的、生产力较低的土地。( )
参考答案：错
从7：30到9：20，经过了______小时______分．
People from England made voyages to conquer other parts of the world and _____ that, English began to
be spoken in many other countries. [ ]
A. because of
B. because
C. since
D. as
