A: Morning! What can I do for you?
B: We’d like to make a trip for a weekend holiday, please.
A: There are many travel paths. ____ ?
B: We’d like to choose Jinggang Mountains.
A: It’s really worth visiting. ____ ?
B: We’re not sure. Which hotel do you think is comfortable?
A: The Holiday Home is very good. What’s more important, ____ .
B: We don’t want to live in an expensive hotel. That’s what we’ll do.
A: ____ ?
B: OK. I’ll ask my wife to fill in this form. By the way, is it all right if we pay by credit card?
A: ____ . Enjoy your weekend.
B: Thank you.

如图是某生态系统部分生物的营养关系图解．请回答下列问题：

地球的自转运动产生的是四季的变化．(      )

把肯定句改成否定句。

①信赖，往往创造出美好的世界。

②这是伟大的奇观。