建设祖国,振兴中华,只是成年人对祖国应尽的义务。( )
根据句意、首字母提示或英文解释写出合适的单词。(1)Don't play in the street. It's ____ (not safe).(2) Your blue jeans____ (go well with) with your T-shirt very well.(3) I'm a top student, and I have a healthy ____(the food you usually eat) and lifestyle.(4) People usually think pigs are l____ . They say pigs do nothing but sleep and eat.(5) We don't have e____ food for supper. Let’s buy some from the supermarket.(6) A friend of mine is coming to v____ me this Saturday. I'm looking forward to seeing him.(7) Every year we usually have a party to c____ Spring Festival.
现在是9:20,考试已经开始了30分钟,考试是9:50开始的。(判断对错)
以下几组材料中.都是绝缘体的是( )
阅读材料,回答问题
材料一:
材料二:原子弹是一种战争武器,从来没有人可以怀疑它……在决定使用原子弹时,我要依照战争法规确定的方式,把它当作战斗武器来应用。——《杜鲁门回忆录》