中国第一条旅游航线建于哪年，从哪里至哪里？
参考答案：
建于1921年，从北京南苑机场到北戴河海滨赤土山机场。
以下那些不是运算符（）。
A.LIKE
B.BETWEEN
C.LEFT
D.NOT
What does Dr. Kay believe a. The Bush administration is justified to launch military operations in Iraq. b. Iraq’s weapons of mass destruction have not been found yet. c. Iraq’s weapons of mass destruction were destroyed during the Gulf War. d. Iraq destroyed all its weapons of mass destruction in the 1990’s.
