由立法机关或其他任免机关经过考察而直接任命产生行政领导者的制度是（）。 ["选任制","考任制","委任制","聘任制"]
联系实际评述社会制度的功能和负功能。
土壤物理性粘粒的直径范围是（）。 ["<0.01mm",">0.01mm","<0.001mm",">0.001mm"]
（）转向架最能有效控制空气弹簧高度。 ["SW.220K型","CW.200K型","AM.96型","PW.200K型"]
What is the purpose of /etc/uucp/Devices？（） ["Defines permissions for remote machines contacting the local machine through BNU","Specifies dialer and modem types for uucp connections","Defines basic communication parameters","Assigns alternate or additional Systems， Devices and Dialers file"]
在分析利润时，应注意哪些问题？
