—I haven't been to a water park.
— .
A:So have I
B:So has I
C:Neither have I
D:Neither has I
分组
频数
频率
10,15)
12
0,10
15,20)
30
a
20,25)
m
0.40
25,30)
n
0.25
合计
120
1.00
配平化学方程式时,判断所配化学计量数是否正确的依据是( )
①好事者____(A.hǎo B.hào) ②船载以入____(A.zǎi B.zài)
③虎大骇____(A.hài B.gāi) ④以为且噬己也____(A.shǐ B.shì)
⑤益狎____(A.xiá B.jiǎ) ⑥大㘎____(A.kǎn B.hǎn)