Question

1．If you go into a forest with friends，stay with them．If you don't，you may get lost．If you get lost，this is what you should do．Sit down and stay where you are．Don't try to find your friends-let them find you．You can help them find you by staying in one place．There is another way to help your friends or other people find you．You can shout or whistle （吹口哨） three times．Stop．Then shout or whistle three times again．Any signal given three times is a call for help．
Keep up shouting or whistling．Always three times together．When people hear you，they will know that you are not just making a noise for fun．They will let you know that they have heard your signal．They will give you two shouts or  two whistles．When a signal is given twice，it is an answer to a call for help．
If you don't think that you will get help before night comes，try to make a little house with branches （树枝）．Make yourself a bed with leaves and grass．
When you need some water，you have to leave your little branch house to look for it．Don't just walk away．
Pick_off_small_branches_and_drop_them_as_you_walk_in_order_to_go_back_again_
easily．When you are lost，the most important thing to do is to stay in one place．
21．If you get lost in a forest，you  shouldB．
A．try to find your friends in no time  
B．stay in one place and give signals
C．walk around the forest    
D．shout as loudly as possible
22．Which signal is a call for help？D
A．Crying twice．
B．Shouting here and there．
C．Whistling everywhere in the forest．
D．Shouting or whistling three times together．
23．When you hear two shouts or two whistles，you know thatC．
A．someone needs your help   
B．something terrible will happen
C．people will come to help you 
D．someone is afraid of an animal
24．What's the meaning of the underlined sentence in the last paragraph？D
A．Use branches to make a bed．
B．Drop branches to look for water．
C．Pick off branches to build another house．
D．Leave branches to help you find your way back．
25．The main idea of the passage isC．
A．how to travel in a forest
B．how to spend the night in a forest
C．what you should do if you are lost in a forest
D．what you should do if you want  to get some water．

Answer 1

分析 如果和朋友一起进森林里，和他们呆在一起，否则可能会迷路．如果迷路了，要坐下等他们来找你．吹口哨或大喊三次，停下，然后再三次，任何信号发出三次代表求救．如果你认为天黑前不会获救，试着用树枝搭个小屋子．如果你饿了或需要喝水应该做什么？你不得不离开你的小树枝屋去找些吃的和喝的．不要走太远，拾些小树枝，一边走一边扔掉，这样你就能找到回来的路．

解答 21---25 BDCDC
21．答案B．细节理解题．根据 Sit down and stay where you are．Don't try to find your friends．Let them find you．You can help them to find you by stay in one place．坐下呆在你在的地方，不要试着去找你的朋友，让他们找你，坐在一个地方，你能帮助他们找到你，可知选B．
22．答案D．细节理解题．根据第一段You can shout or whistle （吹口哨） three times．Stop．Then shout or whistle three times again．Any signal given three times is a call for help可知，求救的信号是大叫三声或吹三声口哨，停下来，再叫三声或吹三声口哨．故选D．
23．答案C．细节理解题．根据When people hear you，they will give two shouts or two whistles．当人们听到你时，他们会喊两声或两声哨子，作为你求助的回应．可知选C．
24．答案D．细节理解题．根据What should you do if you get hungry or need drinking water？You would have to leave your little branch room to look for something to eat and drink．Don't just walk far away．Pick up small branches and drop them as you walk so that you can find your way back．如果你饿了或需要喝水应该做什么？你不得不离开你的小树枝屋去找些吃的和喝的．不要走太远，拾些小树枝，一边走一边扔掉，这样你就能找到回来的路，可知选D．
25．答案C．主旨大意题．根据第一段If you get lost，this is what you should do可知，本文主要介绍在森林里迷路了应该怎样做．故选C．

点评 说明文主要包括事物说明文和事理说明文，说明文一般呈现出条理清晰、逻辑严谨的特点，说明文的语言要求准确、科学．了解了这些特点，我们还要知道阅读理解的题型一般包括：细节题、语义猜测题、主旨大意题、判断推理题等．关于细节题，用到的英语说明文阅读技巧就是仔细查找．这种题型的答案一般都可以在文中找到，当然，答案不可能与原文一模一样，但是它们表达的意思是一样的．只要在文中仔细查找，就能找到答案．