英语四级改错精练(5)

　　Jungle country is not friently to man, but it is
　possible to survive there. You must have the right equipment
　and you must know a lot important things about 1.__________
　woodcraft(森林知识). Then your choices of staying living 2.__________
　are very good.

　No one should go into the jungle without the right
　equipment. You need lightweight clothings, a good sheath 3.__________
　knife or machete, and a compass. Fishhooks and a line, a
　rifle and ammunition, matches in a waterproof container,
　and a poncho are necessary too. Such is a mosquito net 4.__________
　to pretect the head.

　In the jungle you can get hopeless lost within 5.__________
　five minutes after leaving a knowing landmark. That is 6.__________
　why you should always carry a compass. In open country,
　during the day, you can tell which way to go by studying
　the sun. At night the stars are sure of guides to direction 7.__________
　But in most places the jungle rooftop is so thick
　that this is impossible to see the sun or the stars. Again 8.__________
　and again you must check the position by the compass.

　Keep alert. Watch the ground in front of you carefully.
　Stop and listen now and again. Avoid haste, and rest
　often. In a place where is hot and humid, the person who 9.__________
　sets a fast pace will soon become tired. A steady, even
　pace is wisest on the long run. 10.__________