A:日本偷袭珍珠港
B:莫斯科保卫战
C:斯大林格勒战役
D:诺曼底登陆
番茄的表皮、果肉和其中的“筋络”分别属于下列组织中的( )①输导组织 ②分生组织 ③营养组织 ④保护组织
Students in our school are encouraged to ________more activities after class in order to broaden their knowledge. ( )
In a way,________global warming is a challenge for man,so we must overcome it to build________fine world.