I think the scene of the movie is beautiful .what about you? .Which answer isn't right?
A:Yes ,I think so
B:I agree with you
C:You are quite right
D:Don't say so
某同学测得海水中含有氯元素的质量分数为2.13%,假设海水中的氯元素全部来源于氯化钠,则海水中所含氯化钠的质量分数是( )
lastly, double, text, ceremony, task