一、短文填空
Recently, Ailao Mountains have been widely noticed for an adventure video. The mountains (1) in the central part of Yunnan Province and cover five cities. Some people (2) them the "Forests of Death" because of the deep valleys, thick forests and unpredictable weather. They're known as the biggest, least touched and most mysterious (3) ecosystem in that part of the world. They're so far away and natural, and there are (4) "mysterious stories" about them.
The edge of Ailao Mountains is open for tourists, and it's (5) as long as they follow the rules. But deep inside the mountains, common tourists can't go (6) there are forests without roads. The (7) there can be very bad. It makes people feel sick because of the (8) and coldness. Also, the magnetic field there can cause compasses to stop (9), making it easy to get lost.
So, it's necessary to respect nature and (10) the rules when visiting such places!

(1) lie
(2) call
(3) forest
(4) many
(5) safe
(6) because
(7) weather
(8) height
(9) working
(10) follow