纸币是由国家(或某些地区)发行的强制使用的价值符号。这就是说( ) ①在一定时期发行多少纸币是由国家(或某些地区)决定的 ②纸币的面值(如1元、10元、100元)是由国家决定的 ③每种面值的纸币各发行多少是由国家决定的 ④每种面值的纸币各代表多大价值是由国家决定的
We have overlooked the fact __________ the children’s emotional development may be easily damaged.
In Mark’s speech, he made the point __________ far more people died from smoking than from taking drugs.
It is already well understood___________ causes the global warming.
___________we’ll go camping tomorrow depends on the weather.
_________he said at the meeting astonished everybody.