题目

The National Bird ParkOpen Time9:00 a.m. — 4:30 p.m. Every day9:30 a.m. — 4:00 p.m. (June, July & August)Ticket PriceAdults: $15.00 Children: $8.00 Kids Under 5: free Students: $6.50Ways to Find the ParkGoogle The National Bird Call at 673-7391. 【1】If you want to see the birds, you can see them ________ .A.at 8:30 a.m. in MayB.at 9:00 a.m. in JuneC.at 11:30 a.m. in August【2】Mr. White wants to go with his 30 students to see the kiwis at the National Bird Park. They will pay _______ .A.$ 210 B.$ 200 C.$ 195生态系统是指（ ）A．一种生物的总和B．生物及其生存环境的统一整体C．所有生物的总和D．生物生存的环境