A:extremely
B:previously
C:actually
D:eventually
从方框中选择适当的单词填空, 补全句子。
A. aloud B. between C. sweep D. twice E. polite F. friendly
实验次序
1
2
3
4
5
6
7
8
9
h/cm
0
10
12
14
16
F/N
9.0
7.8
6.6
5.4
4.2
3.0
1.8