小题1:If you want to know some information about outer space (外太空)，you can go to         .

A．the XuanWu Lake

B．the Zijin Mountain Observatory

C．the Hongshan Forest Zoo

D．A and B小题2:If your parents and you go to the Xuanwu Lake，you should spend       yuan on tickets (票)．

A．50

B．60

C．70

D．80小题3:You can go to the Zijing Mountain Observatory at          .

A．5.00 a.m．

B．6.00 p.m.

C．1.00p.m.

D．7.30 a.m.小题4: Jack wants to see the panda, he can go to         .

A．the Hongshan Forest Zoo

B．the Xuanwu Lake

C．the Zijin Mountain Observatory

D．A，B and C小题5:It's fine today. Jack and his friends want to go boating．You can go tolook for them．

A．the Zijin Mountain Observatory

B．the Xuanwu Lake

C．the Hongshan Forest Zoo

D．A and C

下列有关说法正确的是（　　）

A．同分异构体由于结构不同，所以化学性质一定不相似

B．同系物一定同类，且电子数之差一定为8的整数倍

C．凡是分子组成相差一个或几个CH₂原子团的物质，彼此一定是同系物

D．两种化合物组成元素相同，各元素质量分数也相同，则两者一定是同分异构体