83.To save water

82. there is not enough food in some areas

71.be seen/found/killed

72. The best tide may be “The Main Use of Colors for Some _________ and _________.”

[答案]

71. From the passage we know that bears and some other animals with the colors much like trees can’t easily _________ _________ by hunters .

99. A bird will also do the same thing. /A bird will do the same thing, too.

/A bird will do the same thing as well.

100. ___________▲__________________.

[答案]96. set up　　 97. shouting at /to　　 98. D

98. What is a bird’s “territory”?

　　　 A. A place where other families of the same species are welcome.

　　　 B. A place where a bird can sing loudly.

　　　 C. An area where birds often fight against each other.

　　　 D. An area which a bird considers to be its own. 　

任务四：将(99)处划线句子翻译成英语。99. ___________▲_______________.

任务五：用一句话概括本文的中心大意(不超过10个单词)。