不是蠕虫的传播途径和传播方式的是（）
A.微信
B.微博
C.交叉使用的鼠标
D.网络接口如蓝牙
参考答案：C
Many leaders of the world got together in Copenhagen in order to find ways for people all over the world to ______ the nature.
A．take part in
B．put an end to
C．be in harmony with
D．draw attention to
小型机械捣固作业技术要求有哪些？
