函数f(x)=$2^x+3x$的零点所在的一个区间是        （   ）

阅读短文，根据短文内容，选择正确答案。

Bob: Hello, Candy! What are you going to do on Sunday?

Candy: Oh, I'm going to the park to have a picnic.        

Bob: Do you like having a picnic?

Candy: Yes, I do. What about you?

Bob: Me, too. But my favourite hobby is playing computer games.

I think it's very fun.

Candy: D o you want to go with us?

Bob: Sure. What time?

Candy: At 8:00 o'clock tomorrow.

Bob: OK. See you later.

Candy: See you.

下列各句中没有语病的一句是 （  ）