已知y=f（x）为R上的可导函数，当x≠0时，f′（x）+$\frac{f\left(x\right)}{x}$＞0，则关于x的函数g（x）=f（x）+$\frac{1}{x}$的零点个数为（　　）

9＋5=7＋____

已知θ是第三象限角，且sin⁴θ+cos⁴θ=$\frac{5}{9}$，那么sin2θ=____ 

A: Good afternoon! How are you?

B: Fine, thank you. Oh, that's Tom speaking.

A: You're right.____

B: Sure,but she is doing her homework. Wait a moment. Lucy, it's Tom.

(After Lucy answers the phone. )

C: Hello. Tom.

A: Hello, Lucy.____

C: I have no idea. How about you?

A: I'm going fishing nearby on Saturday. Would you like to go with me?

C: ____ I'm sure we can have fun together. By the way, How can we get there?

A: ____ It's not far from here.

B: Sounds good. ____

A: Let's make it 8 :00 am at the school gate. OK?

B: OK. See you then.

A: See you.

把 ”作为基本图案，绕点O顺时针连续三次旋转90°，画出每次旋转的图形．