【单选题】下列哪一项是指国家有意识地运用赤字来调节经济的政策?( )
【单选题】直尺试验:正常时,将直尺放于腕尺侧,尺骨茎突距直尺在()厘米以上
【单选题】能在语意上与“天边偶尔飘浮着淡淡的白云”连接后构成贴切的比喻句的选项是( )
【单选题】What is an effective way to preserve biodiversity?
A.
Reduction of the impact of species extinction on others.
B.
Sustainable management of the world's tropical forests.
C.
Encouragement of political will to reduce gas emission.
D.
None of the above. No effective way has been found yet.
【简答题】What is an effective title for an academic paper?