机车推送车列不变更运行方向,连续加速和减速,每加速减速一次溜出一个车组,连续溜出几个车组后才回拉的方法,称为()溜放法。
A.多组
B.牵引
C.单钩
D.连续
参考答案:D
Life today has brought about new problem. One of the biggest problems of every nation is pollution. In America, there are laws ___66_____the air and water clean. These are new laws and it has taken much time __67____ a polluted river or lake. Now the fish are healthy again and people can enjoy __68_____in the clean water.
When food is brought from the store to the home, it is packed in paper, glass, or plastic. Every day a newspaper comes to the home. Americans use __69_____all these materials in the garbage which was picked up by a large truck. The truck these materials to a garbage dump or a land-fill. The truck dumped the garbage into a large hole and then earth was pushed over the garbage until the hole was filled. Then, a new hole must be found.
As the years went by, the garbage increased as the population __70_______. Scientists suggested using some garbage again. They advised businessmen _____71____money by recycling or using paper, glass, and plastic again.
Now, a recycling truck comes to each home once a week __72_______ up materials. American families are told _____73_____their newspaper in boxes and clean all glass, and plastic. The truck takes them to factories for recycling.
Recycling is a way _____74_____the environment from pollution by __75_____ many materials again.
关于领导的类型下列说法错误的是()
A.民主型的领导依靠个人的人格魅力的影响和职位上的优势来领导和带动下属
B.放任型的领导一般都会将工作任务与问题交付下属人员处理,自己不愿多加过问,也不想多担负工作的责任。
C.民主型的领导在工作中常采用民主协商的方式,听取下属的意见,并鼓励他们积极发表改进工作中的意见,从而提升自己组织管理上的灵活性和下属本身的责任感
D.专制型的领导独断独行,通过下达命令来要求下属绝对服从