适当减小副偏角和增大刀尖圆弧半径都能提高刀具强度,改善散热条件,使刀具耐用度增高。
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You are the desktop administrator for your company. Tom is a user in the company's accounting department. Tom uses a Windows XP Professional portable computer. Tom reports that when the computer is undocked, it randomly displays the following error message: "JZXDRV.DLL failed to load." You discover that the JZXDRV.dll file is used by the device driver for an external storage device that is connected to Tom's docking station. Tom reports that the error message does not appear when the computer is docked. You need to ensure that the error does not occur on Tom's computer. You also need to ensure that the storage device continues to function correctly when Tom's computer is docked. What should you do?()
A. Remove the storage device from the hardware profile on Tom's computer.
B. Create a local user account for Tom on his computer.
Copy the JZXDRdll file to the profile folder for Tom's local user account. Instruct Tom to log on to his computer by using his local user account whenever the computer is undocked.
D. Copy the computer's default hardware profile to create a new hardware profile named Undocked. Remove the storage device from the Undocked hardware profile.
E. Copy the computer's default hardware profile to create a new hardware profile named Undocked. Disable the storage device in the Undocked hardware profile.
F. Instruct Tom to start the computer by using the Undocked hardware profile whenever the computer is undocked.
外国人不申请旅行证或未经批准,不得进入乙、丙、丁类地区,对违反规定的外国人,县级及以上公安机关可依法对其处以警告或500元以下罚款。
A. 正确
B. 错误
尽管家长、老师都大力宣扬体育运动能有效改善孩子的健康情况,但是他们还是会把运动和学业对立起来,认为孩子应该把更多的时间放在学业上,以提高学习成绩。而有专家表示,运动时间越多的孩子,学习成绩越高,建议家长、老师给孩子更多的时间去运动。 以下哪个选项如果为真.则最能削弱专家的推论?()
A. 体育运动能让孩子在上课精神更集中,从而提高学习成绩
B. 家长、老师倾向于让学习成绩好的孩子有更多自由活动的时间
C. 体育锻炼能促进脑细胞之间建立新的联结,从而提高思维反应速度
D. 身体健康的孩子比不健康的孩子更能获得老师的关心
1883年国会通过()(又称“彭德尔顿法案”),该法案以平等竞争为原则,规定了录用政府事务官必须经过公开考试,择优录用,成为美国公务员制度建立的标志,奠定了美国现行文官制度的基础。
A. 《文官考试规则》
B. 《国家公务员法》
C. 《常任文官制度法》
D. 《文官任用令》