A:A number of; lacking i
B:The number of; lacking i
C:A number of; lacking of
D:The number of; lacking of
By yesterday, the plane ______out of view for more than a month.
科学技术给我们的生活带来了方便和好处,但也给人类带来了负面的影响。下列事件能说明科学技术带给我们好处的是( )