我国《人民防空法》规定,人民防空实行( )方针。
A.人防建设与城市建设相结合
B.重点建设、平战结合、协调发展
C.与经济建设协调发展
D.长期准备、重点建设、平战结合
参考答案:D
Many famous athletes do a lot of work to help people who are not as as themselves.[ ]
A. lucky
B. unlucky
C. luckily
D. unluckily
1943年2月2日斯大林格勒大会战宣告结束,这场战役共历时多少天?