下图为生态系统中碳循环的模式图。下列叙述正确的是

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.

猜一猜，用拼音写出谜底。

hónɡ kǒu dài， lǜ kǒu dài, yǒu rén pà ,yǒu rén ài。

zhè shì ____。

下面是新疆人们赞美自己家乡的一段歌词:“我们新疆好地方啊,天山南北好牧场,戈壁沙滩变良田,积雪融化灌农庄……” “积雪融化灌农庄”,新疆的一种著名水利工程是(    )

下列关于植物细胞形态的叙述，正确的是（  ）