读下列表格，完成问题。

A．浙江——④

B．内蒙古——①

C．广东——③

D．重庆——②小题2:下列措施中对治理①类地区面临的最严重的环境问题起积极作用的是

A．沿海防护林工程

B．南水北调

C．西电东送

D．建青藏铁路小题3:四种环境问题中，有一种基本不影响广东，其原因是

A．森林覆盖率高

B．降水少

C．位于沿海地区，降水量大

D．纬度位置低，重重山岭的阻挡

The figure above represents the floor plan of an art gallery that has a lobby and 18 rooms. If Lisa goes from the lobby into room A at the same time that Paul goes from the 10bby into room R and each goes through all of the rooms in succession, entering by one door and exiting by the other, which room will they be in at the same time ？（）

(1)Lisa spends 2x minutes in each room and Paul spends 3x minutes in each room.

(2)Lisa spends 10 minutes less time in each room than Paul does.

A．条件(1)充分，但条件(2)不充分．

B．条件(2)充分，但条件(1)不充分．

C．条件(1)和(2)单独都不充分，但条件(1)和条件(2)联合起来充分．

D．条件(1)充分，条件(2)也充分．

E．条件(1)和条件(2)单独都不充分，条件(1)和条件(2)联合起来也不充分．