据悉,“十二五”期末,我国人口总量将达13.9亿左右,60岁及以上老年人口年均将净增800万左右,2015年我国老年人口总数将突破2亿。从2012年开始,男性人口大幅超过女性,到2016年超出女性人口30%以上,上述材料反映了我国人口现状的特点是 ①我国人口基数大 ②我国人口素质偏低 ③我国男女性别比例失衡 ④我国人口老龄化速度加快
Many people believe that hunger is only a problem in the developing world. ______, it is a problem all over the world.
Give me an undisturbed hour and I ______ the work Tom has left unfinished.
We have been seeing good cooperation between tourism industries across the Taiwan Straits ______ shape since July, 2008.
A lot of attention ______ to greenhouse gas emission. Look at those environmental posters.
It was while he was visiting his uncle in a mountain village ______ he got the inspiration for his new novel.