A：on which arc located
B：where is located
C：which locate
D：which are located
理解词语的两种意思，分别造句。
特别：①特殊、不平常的，超出一般的。②格外。
x
3
5
7
9
y
6
a
2
得到回归方程 y^=−1.4x+12.4 ，则（ ）
- Do you like pears? （ ）
- _________
下列做法中，符合安全用电原则的是（ ）
