According to the passage, Texas probably is ______.
A. in the south of America
B. on the south of America
C. to the north of America
D. to the south of America
2、3、4顺序入栈(起始为空栈)，只要栈不空即可出栈，不可能的序列是()。
A. 4、3、2、1
B. 2、1、3、4
C. 1、2、3、4
D. 4，3，1，2
When the farmer began to walk, be felt very uncomfortable because ______ .
A. he put on a pair of wrong shoes
B. he was ill
C. he quarreled with his wife
To avoid worldwide water shortage in the future, the author suggests that we can ______.
A. incense rainfall
B. develop ways of reusing water
C. cut down the number of large cities
D. reduce the number of factories, which use large amount of water
微信支付 
支付宝支付