3.8+1.2=____
0.8×0.4=____
7.2÷0.9=____
5.6÷0.4=____
日本多火山、地震的原因是
-–Why not get your husband a new energy car for his birthday?
—_______ That's too expensive.
下图是1942年美国印制的一份海报。从图上“united”(团结)、“win”(获胜)等宣传语和美、英、苏等国国旗,可以判断海报与下列哪一文献密切相关?( )