安全技术措施必须经上级主管领导审批，并且经专业部门会签。( )
参考答案：对
读一读，写出反义词。
1. Beijing is a __________ city. Shijiazhuang is a small city.
2. Danny is quiet, but Jenny is __________.
3. He came here at six. I __________ there at six, too.
4. The desk is old, but the chair is __________.
5. A bus is __________. An airplane is fast.
下列著作与作者不对应的是（）
A.戈登·德莱顿《学习的革命》
B.托夫勒·阿尔温《第三次浪潮》
C.阿尔伯特·哈伯德《致加西亚的信》
D.霍金《谁动了我的奶酪》
