绿色植物养育了生物圈中的其他生物，光合作用制造有机物的同时还释放____，维持了生物圈中的碳﹣氧平衡．农业生产上的适时松土、排涝，目的是有利于作物根的____作用．

Waiter: Can I help you?

Clark: Yes,____

Waiter: Would you like salad?____

Clark: OK! A vegetable salad, too.

Waiter: What fruit do you want, oranges or bananas?

Clark:____I like strawberries.

Waiter: Let me see.____

Clark: And I like a chocolate ice cream as my dessert.

Waiter: Anything else?

Clark: No, that's all.

Waiter: OK.____

A. I'll bring them soon.

B. I don't like bananas or oranges.

C. Sorry, we don't.

D. Yes, we have strawberries.

E. Our vegetable salad is very good.

F. Welcome to our shop.

G. I would like some chicken.