新华食品商场二月份营业额是240万元,缴纳了12万元的营业税,税率是多少?
4个256相加等于256的4倍.
氨硼烷是一种有效、安全的固体储氢材料.氨硼烷的结构和乙烷相似,如图.
①What he said ____ me a lot.(使…感兴趣)
②To be ____ , I'm not sure what to do.(诚实)
③I've ____ my new pen. I can't find it anywhere(丢失)
④I can ____ finish the work today.(容易)
⑤You'll miss the train ____ you get up early.(如果不)