比较下列奥运会会徽的异同,可以得出的感悟是( )①各个国家和民族的文化相互融合,呈现出多元和谐的发展局面 ②我们既要尊重本民族文化,又要尊重其他民族文化③各国文化有自己的特色,应尊重本民族的文化,抵制外来文化 ④文化交流应相互借鉴、求同存异、尊重多样性、共同繁荣进步
A:①②③
B:②③④
C:①②④
D:①③④
①共生成16.1g硫酸锌
②煅烧越充分则消耗的硫酸越少
③煅烧后固体中氧元素的质量分数减小
④最终生成二氧化碳的总质量与煅烧时间的长短有关.
(44-9)÷7=____
用所给词的适当形式填空
① It's important for the children ____ (make) friends with others.
② The 31st Olympic Games ____ (hold) in Brazil.
③The ____ (discuss) went on for an hour this morning.
④ ____ (compare) with my homework, his is much better.
⑤ He is the first one to reach the ____ (finish) line in the running race.