问题
单项选择题
下列关于车削加工时的安全防护措施,说法错误的是()。
A.采取断屑措施,减少切屑对人体的伤害
B.在车床上安装活动式透明防护挡板
C.使用防护罩式安全装置将危险部位罩住
D.工具、夹具或工件放在车床身上或主轴变速箱上
答案
参考答案:D
下列关于车削加工时的安全防护措施,说法错误的是()。
A.采取断屑措施,减少切屑对人体的伤害
B.在车床上安装活动式透明防护挡板
C.使用防护罩式安全装置将危险部位罩住
D.工具、夹具或工件放在车床身上或主轴变速箱上
参考答案:D
Passage Two
Which of the following statements about the financial situation of the Alaska government is NOT true
A.89 percent of the state income comes from the oil revenue.
B.State sales tax and personal income tax constitute only a fraction of the state revenue.
C.With a two-month shutdown, the government may well find it difficult to make ends meet.
D.The state income is heavily dependent upon the Prudhoe Bay.