Ⅰ.单词拼写
1.A (特征)of this animal is its ability to live for a long time without water.
2.The number of trees larger than two feet across has (减少) by 50 percent on more than 46,000 square miles of California forests, the new study finds.
3.She says the introduction of the plants and animals not (源于)to Hawaii is the main reason for the extinction.
4.In the Xia Dynasty, China had gradually entered the slave society from thep society.
5.You should not b others for what is your own fault.
